Schwartz,, Lisa A.
Agricultural extension in East Africa / Lisa A. Schwartz, Jacob Kampen
Agricultural extension in East Africa / Lisa A. Schwartz, Jacob Kampen
. - Washington : The World Bank, cop. 1992
. - X, 59 p. 27 cm
. - (World Bank technical paper; 14)
0-8213-1989-2 (Brochado)
338.43