Sustainable Development in the Sahel Proceedings of the 4th Sahel Workshop, 6-8 Jan. 1992 

 - Aarhus  Aarhus Univ. Press  1992 
 - 132 
<br/><br/><label>ISBN: </label>87-87600-38-2 
<br/><br/><label>ISSN: </label>0105-4236 
<br/><br/><label>Subjects--Index Terms: </label>Agriculture AFRICA AGRICULTURE DEVELOPMENT