Desertification and development : dryland ecology in social perspective 1982 Spooner, Brian | Mann, H. S. |
Zones tampons : protection des ressources naturelles par le développement durable des zones périphériques aux réserves naturelles
Enhancing the effectiveness of governmental and nongovernmental partnership in natural resources management 1990 McKay, Karen LeAnn | Gow, David |
Women and children first : environment, poverty and sustainable development 1993 Steady, Filomina Chioma |
The economic value of wilderness : proceedings of the conference, Jackson, Wyoming, May 8-11, 1991 1992 Payne, Claire | Bowker, J. M. | Reed, Patrick C. |
Evaluation of the Sahel - Sudan - Ethiopia Programme 1986-90 : field studies, Ethiopia, Tigray and Eritrea 1992
The conservation of wetlands in Tanzania : a case study of Lake Manyara National Park 1983 El-Attar, Abdel-Gawad A. |