L'aridité : une contrainte au développement : caractérisation, réponses biologiques, stratégies des sociétés 1992 Le Floc'h, Edouard |
Managing mountain watersheds : the Upper Pokhara Valley, Nepal 1990 Thapa, Gopal B. | Weber, Karl E. |
Nongovernmental organizations and natural resource management in Africa : a literature review 1992 Ramanathan, T. R. |
Nongovernmental organizations and natural resource management in Africa : proceedings of a conference 1992 Mullen, Laura | Helin, William |
Report on the natural resource management support project's training workshops in agroforestry and natural resources in West Africa 1990 Lineham, Peter E. | Seubert, Chris |
Subsaharan regional natural resources management workshop, Lomé, Togo, 30 April - 4 May 1990 : final report 1990 Christophersen, Kjell A. | McKay, Karen LeAnn |
Enhancing the effectiveness of governmental and nongovernmental partnership in natural resources management 1990 McKay, Karen LeAnn | Gow, David |