Grasshoppers and locusts : the plague of the Sahel
1993
Sahel
Opportunities for sustained development, succesful natural resources management in the Sahel
1988
Shaikh, Asif |
Arnould, Eric |
Le Sahel en lutte contre la desertification : leçons d'experiences
1989
Rochette, R. M. |
The development of irrigated farming in the Sahel : irrigation policy limitations and farmer strategies - synthesis report
1991
Violet, J. Aviron |
Ido, B. D. |
Soumaila, A. |
van Steekelenburg, P. N. G. |
Waldstein, A. |