Speirs,Mike <br/><br/>
Indigenous Integrated Farming Systems in the Sahel/ 

 - Washington, D.C:  World Bank,  1992. 
 - 80p,  ill. 
<br/><br/><label>ISBN: </label>0821321803 
<br/><br/><label>Dewey Class. No.: </label>645.67  / SPE.N2