Appropriate biotechnology in small-scale agriculture : how to reorient research and development / - Wallingford, Oxon, UK : CAB International, c1991 - xi, 153 p. ; 24 cm ISBN: 0851987702 (pbk) Subjects--Topical Terms: Agricultural biotechnologyFarms, Small Dewey Class. No.: 630 CAB 1991 A054 Or.