Celis Rafael and others Ed. Adopting inproved farm technology A study of smal - Washington Internaitonal Food Policy Research Institute 1991 - xxvi, 409p. Bib p. 397-409 cm. ISBN: 089629319X Source: General Book Subjects--Topical Terms: Food Industry Dewey Class. No.: X9(J3)ogF.658.N9, N1