Chambers, R., Pacey, A., & Thrupp, L. A. (1989). Farmer first: Farmer innovation and agricultural research. Intermediate Technology Publications.
Citace podle Chicago (17th ed.)Chambers, Robert, Arnold Pacey, a Lori Ann Thrupp. Farmer First: Farmer Innovation and Agricultural Research. London: Intermediate Technology Publications, 1989.
Citace podle MLA (8th ed.)Chambers, Robert, et al. Farmer First: Farmer Innovation and Agricultural Research. Intermediate Technology Publications, 1989.
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