La gestion locale des forêts du Sahel : vers un nouveau contrat social
2000
Kerkhof, Paul |
Kerkhof, Paul
Agroforestry in Africa : a survey of project experience
1990
Kerkhof, Paul |
Community needs for forest and tree products
1989
Chamshama, S. A. O. |
Kerkhof, Paul |
Sigunda, W. T. |