Farmer first farmer Innovation and agricultural research / Robert Chambers, Arnold Pacey, Lori Ann Thrupp. Edited By
London: Intermediate technology publications, 1989
218 p. ; 19 cm
Ký hiệu xếp giá: 630.2 FAR 1989Nghiên cứu
Tiêu đề đề mục: Nông nghiệp

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