Evaluating technology with farmers : A handbook
Jacqueline A. Ashby
Evaluating technology with farmers : A handbook - Columbia Centro International de Agricultural Tropical 1990 - 95p
ENGLISH
958-9183-29-8
630.715 / ASH
Evaluating technology with farmers : A handbook - Columbia Centro International de Agricultural Tropical 1990 - 95p
ENGLISH
958-9183-29-8
630.715 / ASH
