Integrated soil fertility management in Africa:  principles, practices and developmental process/ 
edited by Nteranya Sanginga  
 - Nairobi:  Tropical Soil Biology and Fertility Institute of the International Centre for Tropical Agriculture (TSBF-CIAT),  2009 
 - iv, 263p.:  ill. 
<br/><br/><label>ISBN: </label>978-92-9059-261-7 
<br/><br/><label>Source: </label> 2015-46 
<br/><br/><label>Subjects--Personal Names: </label><br/>Paul L. Woomer
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIAL SCIENCE
<br/><br/><label>LC Class. No.: </label>S599.5  / .A1  2009