Carr, Stephen. <br/><br/>
Improving cash crops in Africa :  factors influencing the producti vity of cotton, coffee, and tea grown by smallholders / 
Stephen J. C arr. 
 - Washington, D.C. :  World Bank,  c1993. 
 - xvi, 58 p. ;  28 cm. 
 - World Bank technical paper ;  no. 216 .
<br/><br/>Includes bibliographical references (p. 57-58). 
<br/><br/><label>ISBN: </label>0821325094 
<br/><br/><label>LCCN: </label>93-005127 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Produce trade--Africa, Sub-Saharan.<br/>Exports--Africa, Sub-Saharan.<br/>Agricultural productivity--Africa, Sub-Saharan.<br/>Cash crops--Africa, Sub-Saharan.<br/>Crops--Africa, Sub-Saharan.<br/>Cotton trade--Africa, Sub-Saharan.<br/>Coffee industry--Africa, Sub-Saharan.<br/>Tea trade--Africa, Sub-Saharan.