Carr, Stephen J <br/><br/>
Technology for smAll scale farmers in sub - Saharan Africa  Experience with food crop production in five major ecological zones / Stephen J Carr 

 - Washington, D C  World Bank  1989 
 - x,106p. 
 - World Bank technical paper .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Farmer - Africa