Simpson, Brent M <br/><br/>
The roots of change: human behaviour and agricultural evolution in Mali 
By Brent M. Simpson 
 - London:  Intermediate Technology Publications Ltd  1999 
 - ix, 172p.:ill. 
 - IT studies in indigenous knowledge and development .
<br/><br/><label>ISBN: </label>9781853394683 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EVOLUTION OF LOCAL AGRICULTURAL SYSTEMS<br/>LOCAL AGRARIAN CHANGE<br/>ADAPTATION AND SPREAD OF NEW AGRICULTURAL PRACTICES
<br/><br/><label>LC Class. No.: </label>HD 1333 Sim