Strengthening national extension services in sub-Sharan Africa SAA/Global 2000/CASIN: proceedings of seminar for extension practitioners,15- 19 May, 1994 chavannes - de -Bogis, Switzerland - Cassaday,K.A etal; Monnet,G; Dawswell,C.R (Mexico Tokyo, 1995)
Keywords: Agricultural extension work - Sub- Sharan, Africa