Vegetation change
1989
Misana, S. B. |
EEC Food Aid Counterpart Fund, TZ
Water development
1989
Aikman, D. I. |
Cobb, S. M. |
Community needs for forest and tree products
1989
Chamshama, S. A. O. |
Kerkhof, Paul |
Sigunda, W. T. |
Forest conservation and management
1989
Struhsaker, T.T. |
Odegaard, A. |
Ruffo, C. |
Steele, R. |