Sustainable agriculture in development assistance : an exploration
1984
Freeman, Peter H. |
Freeman, Peter H.
Bolivia : state of the environment and natural resources. A field executive summary
1980
Freeman, Peter H. |
Impacto ambiental de la carretera planeada entre Manzanillo y Gandoca, Cantón de Talamanca, Provincia de Limón, Costa Rica : evaluación y recomendaciones
1985
Freeman, Peter H. |
Salas, Jorge A. |
Sánchez, Eduardo |
Desertification in the Sahel : diagnosis and proposals for IUCN's response
1985
Freeman, Peter H. |
Rennie, J. K. |
Ecological principles for economic development
1973
Dasmann, Raymond Fredric |
Milton, John P. |
Freeman, Peter H. |