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Publications

Professor Sam Ham

Selected Recent Publications:

Ham, S. & Weiler, B. (2004). Diffusion and adoption of thematic interpretation at an interpretive historic site. Annals of Leisure Research 7(1): 1-17.

Lackey, B. & Ham, S. (2004). Assessment of Communication Focused on Human-Black Bear Conflict at Yosemite National Park . Journal of Interpretation Research 8(1): 25-40.

Yamada, N. and Ham, S . (2004). Assessing Interpretation: Evaluative Concepts and Application to Natural Parks. Japanese Journal of Outdoor Education 7(2): 1-12.

Edwards, S., McLaughlin, W. J. & Ham, S. H. (2003). A regional look at ecotourism policy in the Americas . In D. Fennell & R. Dowling (Eds) Ecotourism: Policy and Planning . Wallingford , UK : CAB International, 293-307.

Ham, S. (2003). Rethinking goals, objectives and themes: a considered reaction to “Using interpretive themes and objectives will make your program planning easier and more effective.” Interpscan 29(4): 9-12.

Ham, S . & Weiler, B. (2003). Toward a theory of quality in cruise-based nature guiding. Journal of Interpretation Research 7(2): 29-49.

Lackey, B. & Ham, S. (2003). Contextual analysis of interpretation focused on human-black bear conflicts in Yosemite National Park . Journal of Applied Environmental Education and Communication 2(1): 11-21.

Ham, S. & Weiler, B. (2003). Capacitación para Guías Turísticos en Latinoamérica: Un Modelo para Desarrollar Capacidad Humana Sostenible. Estudios y Perspectivas en Turismo 12(1-2): 24-47.

Ham, S. and O'Brien, T. (2003). Communication Strategy for the Gulf of California Conservation Fund—The Baja Forever! Campaign . Mexico City / New York : The Mexican Foundation for Nature Conservation / Lindblad Expeditions.

Ham, S. (2002). Cognitive Psychology and Interpretation . Chapter 16 in: Hooper-Greenhill, Eilean (ed.), The Educational Role of the Museum (2 nd edition). London : Routledge, 161-171.

Ham, S. & Weiler, B. (2002). Interpretation as a centrepiece in sustainable wildlife tourism. Chapter 3 in, Harris, R., Griffin , T. & Williams, P (Eds.) Sustainable tourism: a global perspective . London : Butterworth-Heinneman, 35-44.

Weiler, Betty & Ham, Sam H. (2002). Tour guide training: a model for sustainable capacity building in developing countries. Journal of Sustainable Tourism 10(1): 52-69.

Lackey, B., Ham, S. and Quigley, H. (2002). Message Catalog: Human-Bear Messages in Yosemite Valley . Center for International Training and Outreach, Dept. of Resource Recreation and Tourism, University of Idaho .

Black, R., Ham, S. & Weiler, B. (2001). Ecotour guide training in less developed countries: some preliminary research findings. Journal of Sustainable Tourism 9(2):147-156.

Weiler, B., & Ham, S. (2001). Tour guides and interpretation. In D. Weaver (Ed.), Encyclopedia of Ecotourism (pp. 549-564). Wallingford , U.K. : CAB International

Weiler, B. & Ham, S. (2001). Tour Guide Training: Lessons for Malaysia about What Works and What's Needed . In: Nyland, Chris.; Smith, Wendy; Smyth, Russell; and Vicziany, Marika, (eds.), Malaysian Business in the New Era , Cheltenham, Gloucestershire , UK : Edward Elgar Publishing Limited, 149-161.

Weiler, B. & Ham, S. (2001). Perspectives on the Future of Tour Guiding. In, Lockwood, A. and S. Medlik (eds.), Tourism and Hospitality in the 21st Century . UK : Butterworth-Heinmann, 255-264.

Yu, X., Weiler, B., & Ham, S. (2001). Intercultural communication and mediation: A framework for analysing intercultural competence of Chinese tour guides. Journal of Vacation Marketing , 8(1), 75-87.

Ballantyne, R. & Weiler, B. & Crabtree, A. & Ham, S. & Hughes, K. (2000) Tour Guiding: Developing Effective Communication and Interpretation Techniques. Video and Workbook Package. Queensland University of Technology , Brisbane .

Ham, S. and Weiler, B. (2000). Profile of Tourists in Panama Canal Watershed Protected Areas: Final Research Report (AED Order 222429-30). Washington , DC: Academy for Educational Development/GreenCOM Project.

Ham, S. and Weiler, B. (2000). Panama Tour Operators Study: Final Research Report (AED Order 222429-30). Washington , DC : Academy for Educational Development/GreenCOM Project.

Shuman, D. and Ham, S. (1997). Toward a Theory of Commitment to Environmental Education Teaching. Journal of Environmental Education 28(2):25-32.

Ham, S. (1997). Environmental Education as Strategic Communication—A Paradigm for the 21 st Century. Trends 34(4):4-6,47.

Charpentier, C. and Ham, S . (1997). Una Nueva Perspectiva para Clasificar Barreras para la Incorporación de la Dimensión Ambiental en la Educación Superior en Costa Rica. In, Arnáez, E. and S. Rojoas (eds.), Experiencias para la Incorporación de la Dimensión Ambiental en el Quehacer Universitario . San José, Costa Rica: Consejo Nacional de Rectores, Oficina de Planificación de la Educación Superior, 42-52.

Ham, S. and Krumpe, E. (1996). Identifying Audiences and Messages for Nonformal Environmental Education- A Theoretical Framework for Interpreters. Journal of Interpretation Research 1(1):11-23.

Ham , S. (1996). Educación Ambiental- El Papel Estratégico de la Comunicación en el Desarrollo Sostenible en América Central. San José , Costa Rica : National Biodiversity Institute (INBio).

Ham, S. and Krumpe, E. (1995). Role of Site-Based Interpretive Programs in Biodiversity Conservation in Central American Protected Areas- An Application of the Theory of Reasoned Action and Theory of Planned Behavior. Prepared for Academy for Educational Development, Technical Advisory Group Meeting, Washington , DC .

Ham, S. (1995). Early and Late Summer Trail Users at Tikal National Park , Guatemala . Gainesville , FL : Wildlife Conservation Society.

Wyant, J., Meganck, R. and Ham, S. (1995). The Need for an Environmental Restoration Decision Framework. Ecological Engineering 5:417-420.

Wyant, J., Meganck, R. and Ham, S. (1995). A Planning and Decision-Making Framework for Ecological Restoration. Environmental Management 19(6):789-796.

Ham, S. and Meganck, R. (1994). Environmental Interpretation in Developing Countries: Crossing Borders and Rethinking a Craft. Legacy 5(1):18-22.

Ham, S. , Sutherland, D. and Meganck, R. (1993). Applying Environmental Interpretation in Protected Areas in Developing Countries. Environmental Conservation 20(3):232-242.

Ham, S. and Meganck, R. (1993). The Transferability of U.S. Environmental Education Programs in Rural Central America: A Case Study from Honduras . La Educación 115(2):289-301.

Sutherland, D. and Ham, S . (1992). Child-to-Parent Transfer of Environmental Ideology in Costa Rican Families: An Ethnographic Case Study. Journal of Environmental Education 23(3):9-16.

Ham, S. (1992). Research on Barriers to Environmental Education in Elementary Schools- Implications for Libraries. Green Library Journal 1(2):41-44.

Ham, S. (1990). Reflexiones sobre la Educación Ambiental en Centroamérica y Algunas Sugerencias acerca de Su Desarrollo. Biocenosis 6(1&2):6-9.

Strassman, J and Ham, S. (1990). Interpreting Controversial Species: A Case Study and Principles. Journal of Interpretation 14(2):7-19.

Ham, S. and Castillo, L. (1990). Elementary Schools in Rural Honduras : Problems in Exporting U.S. Environmental Education Models to Developing Countries. Journal of Environmental Education 21(4):27-33.

Ham, S . and Castillo, L. (1990). Problemas Potenciales en la Introducción de Modelos de Educación Ambiental Estadounidenses - Estudio del Caso de las Escuelas Rurales de Honduras. Biocenosis 7(1):33-39.

Ham, S., Sutherland, D. and Barborak, J. (1989). Role of Protected Areas in Environmental Education in Central America . Journal of Interpretation 13(5):1-7.

Ham, S. (1989). Identifying Obstacles to Environmental Education: Analysis and Implications for Interpreters. Journal of Interpretation 12(2):5-18.

Ham, S. and Sewing, D. (1988). Barriers to Environmental Education. Journal of Environmental Education 19(2):17-24.

Ham, S., Rellergert-Taylor, M., and Krumpe, E. (1988). Reducing Barriers to Environmental Education. Journal of Environmental Education 19(2):25-33.

Harris, C.C., McLaughlin, W.J., and Ham, S.H . 1987. Integration of Recreation and Tourism in Idaho . Annals of Tourism Research 14:405-419.

Roggenbuck, J., and Ham, S.H. 1986. Information and Education in Wildland Recreation Management. Invited research synthesis for President Ronald Reagan's Commission on Americans Outdoors, Washington , D.C.

Ham, S.H. , Langseth, R.L., and Fazio, J.R. 1985. Back to Definitions in Environmental Education: The Case of Inland Northwest Camps. Journal of Environmental Education 16(4):11-15.

Ham, S.H. 1984. Communication and Campground Recycling Programs. Journal of Environmental Education 15(2):17-20.

Ham, S. H. 1983. Cognitive Psychology and Interpretation: Synthesis and Application. Journal of Interpretation 8(1):11-27.

 

Selected Invited Addresses and Keynote Presentations:

Ham, S. (2005). “Theatre and Thematic Interpretation: Old Friends Coming Together in Museums.” Keynote address to the International Museum and Theatre Alliance Conference, Canberra , October 14.

Ham, S. (2004). “The Psychology of Giving—Lessons Learned for Travelers' Philanthropy.” Invited address to the World First Conference on Travelers' Philanthropy, Stanford University , Palo Alto , California , USA , April 14.

Ham, S. (2004). “Special Events as Communication Events—Creating Unforgettable Experiences by Making Meaning.” Keynote address to Events Xchange Conference, Launceston , Tasmania , May 19.

Ham, S. (2004). “The ‘Trick' in Interpretation is Knowing the End Game.” Keynote address to the national conference of Interpretation Canada, Lethbridge , Alberta , October 21.

Ham, S. (2004). “Accomplishments and New Horizons for Tasmania 's Tourism Industry.” Keynote address to the Independent Tour Operators of Tasmania Convention, Launceston , Tasmania , July 27.

Ham, S. (2003). "Ecotourism--Making a Difference by Making Meaning." Keynote address to the National Conference of Ecotourism Australia , Adelaide , South Australia , November 10.

Ham, S. (2003). “Small Ideas and Big Budgets Versus the Tasmanian Experience Strategy.” Invited address to Scottish Forest Enterprise, Glenmore , Scotland , April 2.

Ham, S. (2002). “Theoretical and Philosophical Foundations of Interpretation.” Keynote address to the Taiwan , USA and Australia International Symposium on Interpretation and Ecotourism. Taichung City , Taiwan , November 4.

Ham, S. (2002). “One Perspective on the Evolution of Interpretive Research.” Keynote address to the Taiwan , USA and Australia International Symposium on Interpretation and Ecotourism. Taichung City , Taiwan , November 4.

Ham, S. & B. Weiler. (2002). “Interpretation as the Centerpiece of Sustainable Tourism.” Keynote address to the Taiwan , USA and Australia International Symposium on Interpretation and Ecotourism. Taichung City , Taiwan , November 5.

Ham, S. (2002). “Meaning Making and Interpretation in the Tasmanian Tourism Industry. Keynote address to the Tasmanian Conference on the Theory and Practice of Interpretation in Tourism, University of Tasmania , Hobart , October 27.

Ham, S. (2002). "Making of the Galapagos Conservation Fund: A Case Study in the Psychology of Philanthropic Travel for Local Conservation.” Presentation to the BEST Summit on Traveler's Philanthropy, Jacksonville , FL , September 21.

Ham, S. (2002). " Meaning Making- The Premise and Promise of Interpretation." Keynote address to Scotland 's First National Conference on Interpretation, Royal Botanic Gardens , Edinburgh , April 4.

Ham, S. (2001). "Pathways to Human Capacity for Protected Area Management." Keynote address to Conservation International's Biodiversity Conservation Symposium, Washington , DC., April 24.

Ham, S. & B. Weiler. (2001). "100,000 Beating Bird Hearts: Wildlife, Tourism and Interpretation." Keynote address to Australia 's First International Conference on Wildlife Tourism, Hobart , Tasmania , October 31.

Ham, S. (2001). "Confessions of a Road Warrior: Lessons Learned from Taking Interpretation Across Cultural Boundaries." Keynote address to National Association for Interpretation Eastern Regional Conference, Delaware , March 29.

Ham, S. (2001). "Principles of Cross Cultural Interpretation." Invited presentation to the National Association for Interpretation Eastern Regional Conference, Delaware , March 29.

Ham, S. (2001). "Selling Interpretation to Reluctant Bosses." Invited presentation to the National Association for Interpretation Eastern Regional Conference, Delaware , March 29.

Ham, S. (2001). " Making Meaning and Experience: Perspectives on Interpreting the Goldfields." Keynote address to the Australian Conference on the 150 th Anniversary of the Discovery of Gold, Bendigo , Victoria , Australia , October 29.

Ham, S. (2001)."The Psychology of Philanthropic Travel and Fundraising for Local Conservation: Case Study of the Galapagos Conservation Fund." Invited address to Business Enterprises for Sustainable Travel (BEST) Summit on Traveler's Philanthropy, Punta Cana , Dominican Republic , November 10.

Ham, S. & Weiler, B. (2000). “La Sopa Turística- La Receta para una Experiencia Total.” Keynote address to Argentina 's First Seminar on Scientific Tourism in the Natural Areas of Patagonia, Alerces National Park , Chubút , Argentina , March 18-24.

Ham, S. (1999). “One Perspective on the Evolution of Interpretive Research.” Keynote presentation to the International Symposium on Society and Resource Management (ISSRM), Brisbane , Australia , July 6-10.

Ham, S. and Weiler, B. (1999). “Training Ecotour Guides in Central America : Lessons Learned and Implications for Regional Guide Training and Certification.” Paper presented to the Central American Regional Conference on Cleaner Technology and Environmental Management for the Tourism Industry, Guatemala City , Guatemala , September 1-3.

Ham, S. (1997). “Beware of Interpreters Packing Little Ideas and Big Budgets.” Keynote address to the National Conference of the Australian Association for Interpretation, Brisbane , Australia , September 28.

Ham, S. (1997). “Environmental Education as Strategic Communication- A Paradigm for the 21st Century.” Presented to the International Symposium on Human Dimensions of Natural Resource Management in the Americas , Belize City , Belize , February 27.

Ham, S. and Krumpe, E. (1996). “A Belief-Centered Approach to Designing Environmental Education for Sustainable Development.” Keynote presentation to the International Symposium , North American Association for Environmental Education Conference, San Francisco , CA , November 2.

Ham, S. (1994). “El Abordaje Interpretativo.” Keynote address to the First National Conference on Environmental Education, Puerto Barrios, Guatemala , July 10. Proceedings pp. 5-17.

Ham, S. and Meganck, R. (1993). “Taking Environmental Interpretation to Developing Countries- Crossing Borders and Rethinking a Craft.” Invited address to the National Conference of National Association for Interpretation, Washington , DC , November 17-22. Proceedings pp. 121-24.

Ham, S. (1992). “Key Audiences for On-site Interpretation in Developing Countries- A Model with Implications for Training and Technical Assistance Programs.” Invited address to the Fourth New World Conference on Environment and Archaeology, San Juan , Puerto Rico , Dec. 6-12.

Ham, S. (1992). “Grupos Meta para la Interpretación dentro de Parques y Areas Protegidas. (Target Audiences for On-site Interpretive Programs in Parks and Protected Areas.)” Invited address to the IUCN's Fourth World Congress on Parks and Protected Areas, Caracas , Venezuela , Feb. 10-21.

Ham, S. (1992). “Educación Ambiental Formal y No Formal Fuera del Sitio: Audiencias Estratégicas para Programas de Comunicación Relacionados a las Áreas Protegidas. (Formal and Non-formal Environmental Education: Strategic Audiences for Off-site Communication Programs Related to Parks and Protected Areas.)” Invited address to the IUCN's Fourth World Congress on Parks and Protected Areas, Caracas , Venezuela , Feb. 10-21.

Ham, S. (1991). “Taking Environmental Interpretation to Developing Countries' Protected Areas- Problems in Exporting a U.S. Model.” Invited address to the Third Global Congress of Heritage Interpretation, Honolulu , HI , Nov. 4-10.

Ham, S. (1990). “Applying Global Reasoning in Local Interpretive Programs.” Keynote Address to National Association for Interpretation, Portland , OR , October 16-19.

Ham, S. (1990). “Research on Interpretation- What It Can Tell Us About the Differences Between Interpretation and Instruction.” Presented to the National Association for Interpretation, Portland , OR , October 16-19.

Ham, S. (1990). “Puntos Claves en la Planificación de un Programa de Educación Ambiental.” Invited address to the Third Workshop on Environmental Education, La Selva Biological Station, Costa Rica , March 9-11.

Ham, S. (1990). “Obstáculos para la Educación Ambiental.” Invited address to the Third Workshop on Environmental Education, La Selva Biological Station, Costa Rica , March 9-11.

Ham, S. and Castillo, L. (1989). “Análisis de la Situación de Educación Ambiental en las Escuelas del Área Rural de Honduras.” La Universidad Nacional Autónoma de Honduras: Semana Científica 7:191.

Ham, S. (1989). “Problems in Transferring U.S. Environmental Education Models to Developing Countries: A Case Study from Honduras .” In, Research Proceedings, National Association for Interpretation, St. Paul , MN , November 5-10.

Selected Technical and Popular Publications:

Ham. S. (2004). Wildlife Theater—Some Thoughts on Wildlife Interpretation and the Next Decade. Invited article for 10 th Anniversary of the US Fish & Wildlife Service's web-based newsletter Out and Abou t.

Ham, S. (2004). What's New in Interpretation Around the World. Invited newsletter article for the Association of Heritage Interpretation, UK .

Ham, S. (2004). Meaning Making: Some Thoughts on Goals, Objectives and Themes. Interpret Wales 1 (Spring): 4-7.

Ham, S., Housego, A. & Weiler, B. (2004). Tasmanian Thematic Interpretation Planning Manual . Hobart : Tourism Tasmania .

Ham, S. (2004). EROT: An Introduction to Thematic Interpretation in Tasmania (Trainers Package) . Hobart : Tourism Tasmania .

Ham, S. (2004). Supplemental Workbook for TORE™ Workshop Survivors: A Handbook of Follow-up Activities and Readings Designed to Reinforce TORE™ Principles for Thematic Interpretation. Hobart : Tourism Tasmania .

Ham, S. (2004). Interpretation Isn't Magic: An Academic's View on the Role of Research in Teaching Interpretation. Journal of Interpretation Research 9(1): 65-68.

Ham, S. and Weiler, B. (2003). Interpretation is Persuasive When Themes are Compelling. Interpret Scotland 8 (Summer 2003): 3.

Ham, S. (2003). Rethinking goals, objectives and themes: a considered reaction to “Using interpretive themes and objectives will make your program planning easier and more effective.” Interpscan 29(4): 9-12.

Ham, S. and O'Brien, T. (2003). Communication Strategy for the Gulf of California Conservation Fund—The Baja Forever! Campaign . Mexico City / New York : The Mexican Foundation for Nature Conservation / Lindblad Expeditions.

Ham, S. (2002). Some thoughts on an unfortunate recurring question. Nature Center Directors' Newsletter , National Association for Interpretation, Fort Collins , Colorado , USA , December.

Lackey, B., Ham, S. and Quigley, H. (2002). Message Catalog: Human-Bear Messages in Yosemite Valley . Center for International Training and Outreach, Dept. of Resource Recreation and Tourism, University of Idaho .

Ham, S. (2001). A Theory-based Approach to Campaign Planning for Travelers' Philanthropy. Presentation to Traveler's Philanthropy Summit , hosted by Business Enterprises for Sustainable Tourism (BEST), Punta Cana Resort, Dominican Republic , 9-11 November.

Ham, S. (2001). Recommendations for USAID Involvement in Ecotourism Activities in Bolivia . Consultant's Final Report submitted to International Resources Group, Washington , DC and US Agency for International Development, La Paz , Bolivia.

Ham, S. (2001). Plan de Uso Público. Componente del Plan Nuevo para el Manejo del Monumento Nacional Ruinas de Copán , Honduras. Gainesville , FL : Wildlife Conservation Society, Mesoamerican Division.

Lackey, B. and Ham, S. (2001). Human-Bear Interaction Assessment, Yosemite National Park, California . Interim Report submitted to the National Park Service and The Yosemite Fund, November.

Weiler, B., Ham, S., Armstrong, K, Black, R., Price, G. and Faggetter, R. (2001). Development of Training Modules for Integrated II&E. Melbourne , Australia : Parks Victoria .

Van Gameron, M. and Ham, S. (2001). Principles of Interpretation. Information, Interpretation and Education Manual . Melbourne , Australia : Parks Victoria .

Weiler, B. and Ham, S. (2001). Thematic Interpretation. Information, Interpretation and Education Manual . Melbourne , Australia : Parks Victoria .

Ham, S. and Weiler, B. (2000). Profile of Tourists in Panama Canal Watershed Protected Areas: Final Research Report (AED Order 222429-30). Washington , DC : Academy for Educational Development/GreenCOM Project.

Ham, S. and Weiler, B. (2000). Panama Tour Operators Study: Final Research Report (AED Order 222429-30). Washington , DC : Academy for Educational Development/GreenCOM Project.

Ballantyne, R., Ham, S, Weiler, B.; Crabtree, A., and Hughes, K. (2000) Tour Guiding: Developing Effective Communication and Interpretation Techniques. NTSC Version- Video and Workbook Package. Moscow , Idaho , USA : University of Idaho , College of Natural Resources , Center for International Training and Outreach.

Edwards, S., McLaughlin, W. and Ham, S. (1999). Analysis of Ecotourism Policies in the Americas , Volume 1 . Organization of American States , Washington , DC.

Edwards, S., McLaughlin, W. and Ham, S. (1999). Analysis of Ecotourism Policies in the Americas , Volume 2 . Organization of American States , Washington , DC.

Charpentier, C. and Ham, S. (1997). Una Nueva Perspectiva para Clasificar Barreras para la Incorporación de la Dimensión Ambiental en la Educación Superior en Costa Rica. In, Arnáez, E. and S. Rojoas (eds.), Experiencias para la Incorporación de la Dimensión Ambiental en el Quehacer Universitario . San José, Costa Rica: Consejo Nacional de Rectores, Oficina de Planificación de la Educación Superior, 42-52.

Ham , S. (1996). Educación Ambiental- El Papel Estratégico de la Comunicación en el Desarrollo Sostenible en América Central. San José , Costa Rica : National Biodiversity Institute (INBio).

Ham, S. and Krumpe, E. (1995). Role of Site-Based Interpretive Programs in Biodiversity Conservation in Central American Protected Areas- An Application of the Theory of Reasoned Action and Theory of Planned Behavior. Prepared for Academy for Educational Development, Technical Advisory Group Meeting, Washington , DC .

Ham, S. (1995). National Training Plan for Environmental Interpretation in Salvadoran National Parks and Protected Areas. Report to U.S. Agency for International Development/El Salvador and Academy for Educational Development, Washington , DC .

Ham, S. (1995). Early and Late Summer Trail Users at Tikal National Park , Guatemala . Gainesville , FL : Wildlife Conservation Society.

Ham, S. (1995). Plan Nacional para la Capacitación de Interpretación Ambiental en las Áreas Protegidas de El Salvador. San Salvador, El Salvador: Proyecto PROMESA/GreenCom.

HaySmith, L. and Ham, S. (1995). Social Marketing to Select Ecologically and Socially Significant Wildlife Species for Monitoring Programs. Final Report to U.S. Fish and Wildlife Service, Washington , DC .

Medlin, N. and Ham, S. (1992). A Handbook for Evaluating Interpretive Services . Ogden , UT : USDA Forest Service/Recreation, Intermountain Region.

Ham, S. (1991). Elaborando una Estrategia de Educación Ambiental al Nivel del Proyecto. Moscow , ID : College of Forestry, Wildlife and Range Sciences, Department of Resource Recreation and Tourism.

Ham, S. and Valencia , I. (1990). Estrategia de Educación Ambiental para la Fundación del Centavo. Guatemala City, Guatemala: Fundación del Centavo.

Ham, S. (1990). El Papel de los Científicos en la Transferencia de Tecnología. Heredia, Costa Rica: Universidad Nacional, Facultad de Ciencias Exactas y Naturales.

Ham, S. and Castillo, L. (1989). Análisis de la Situación de Educación Ambiental en las Escuelas del Area Rural de Honduras. Tegucigalpa, Honduras: Universidad Nacional Autónoma, Semana Científica.

Ham, S. and Castillo, L. (1988). Situational Analysis for Environmental Education in Rural Honduras . Moscow, ID: Idaho Forest, Wildlife and Range Experiment Station Contribution No. 440, College of Forestry, Wildlife & Range Sciences, University of Idaho.

Ham, S. and Castillo, L. (1988). Análisis de la Situación de Educación Ambiental en las Escuelas del Area Rural de Honduras. Moscow, ID: Idaho Forest, Wildlife and Range Experiment Station Contribution No. 441, College of Forestry, Wildlife & Range Sciences, University of Idaho.

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