TY  - BOOK
AU  -  Okigbo,Bede N.
ED  -  Nigeria. International Institute of Tropical Agriculture.
TI  -  Development of sustainable agricultural production systems in Africa : :  roles of international agricultural research centers and national agricultual research systems / 
U1  -  630.72068 OKI 
PY  - 1990///
CY  -  Ibadan : 
PB  -  International Institute of Tropical Agriculture, 
KW  -  Agriculture
KW  -  Research
KW  -  Africa
KW  -  National agricultural research systems
KW  -  Sustainable agriculture
KW  -  Agricultural systems
N1  -  "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;  Includes bibliographical references (p. 61-65)
ER  -