Basic education and agricultural extension costs, effects, and alternatives Hilary Perraton ... [et al.] - Washington, D.C., U.S.A World Bank c1983 - vii, 285 p. 28 cm. - World Bank staff working papers no. 564 .


Agricultural extension work
Mass media in agricultural extension work
Basic education
Farmers--Education
Mass media in agricultural extension work--Case studies--Africa

630 / .7 / 15