Sumberg, J.E. <br/><br/>
Farmers' experiments:  creating local knowledge / 
James Sumberg, Christine Okali. 
 - Boulder:  Lynne Rienner Publishers,  1997. 
 - xii, 186p.; 
<br/><br/><label>ISBN: </label>1555876749 (hc : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture-Research--Africa
<br/><br/><label>Dewey Class. No.: </label>338.1072  / Fa