TY  - BOOK
TI  - Sustainable food production in sub-saharan Africa : 1 IITA's contributions 
SN  - 9781310863
AV  - SB176 .A46 S87 1992 1189
PY  - 1992///
CY  - Nigeria 
PB  - IITA
KW  - Sustainable food in sub-Saharan Africa
N1  - Includes bibliographical references
ER  -