Education and training for adoption and diffusion of new ideas [Food production in the developing countries]
Bohlen, J.M.
Education and training for adoption and diffusion of new ideas [Food production in the developing countries] - 1977 - Printed
Ref
English
Education
Extension activities
78-285797
Education and training for adoption and diffusion of new ideas [Food production in the developing countries] - 1977 - Printed
Ref
English
Education
Extension activities
78-285797