Okigbo, Bede N.,    1929- <br/><br/>
Development of sustainable agricultural production systems in Africa :    roles of international agricultural research centers and national agricultual research systems /  
Bede N. Okigbo. 
 - Ibadan :    International Institute of Tropical Agriculture,    1990 . 
 - 66 p. :    ill., maps ;    25 cm. 
 - Distinguished African Scientist lecture series .
<br/><br/>  "Based on the first lecture in the Distinguished African Scientist L ecture Series delivered at the International Institute of Tropical Agri culture, Ibadan, on 26 April 1989"--Cover. 
<br/><br/>Includes bibliographical references (p. 61-65). 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Agriculture -- Research -- Africa.<br/> National agricultural research systems -- Africa.<br/> Sustainable agriculture -- Africa.<br/> Agricultural systems -- Africa.
<br/><br/><label>Dewey Class. No.: </label>630.72068 OKI