TY  - GEN
AU  - Venkatesan ,  V
AU  - Kampen , Jacob
TI  - Evolution of agricultural services In sub-saharan Africa 
SN  - 0821342592
U1  - 630.72067 
PY  - 1998///
CY  - Washington
PB  - World Bank
KW  - AGRICULTURE
KW  - AGRICULTURAL RESEARCH-AFRICAAGRICULTURAL EXTENSION WORK-AFRICA
ER  -