TY - BOOK ID - 136097070 TI - Evolution of agricultural services in Sub-Saharan Africa : trends and prospects AU - Venkatesan, V. AU - Kampen, Jacob PY - 1998 SN - 128000438X 9786610004386 0585219311 PB - Washington, D.C. : World Bank, DB - UniCat KW - Agricultural extension work KW - National agricultural research systems KW - Africa, Sub-Saharan. UR - https://www.unicat.be/uniCat?func=search&query=sysid:136097070 AB - ER -