Boef Walter, Amanor Kojo, Wellard Kate and Bebbington Anthony.

Cultivating Knowledge: Genetic diversity, farmer experimentation and crop research/ Walter de Boef, Kojo Amanor, Kate Wellard and Anthony Bebbington. - London: Intermediate Technology Publications, 1993. - xviii, 206 p.: ill, 23 cm.

Includes an index and bibliographic references.

9781853392047


farming

S 540