TY  - BOOK
TI  - Sustainable food production in sub-saharan Africa 1.; IITA' s contributions
U1  - 63.002(66) 1967-1992  IITA  N2 
PY  - 1992///
CY  - Nigeria
PB  - IITA
KW  - International Institute of Tropical Agriculture, 1992.
KW  - Food Production,Sustainable Agriculture-Africa
ER  -