Roy,Prodipto, & Kivlin,Joseph. (1968). Two blades of grass: A summary of two studies on agricultural innovation in India. National Institute of Community Development.
Chicago-stil citatRoy,Prodipto, och Kivlin,Joseph. Two Blades of Grass: A Summary of Two Studies on Agricultural Innovation in India. Hyderabad: National Institute of Community Development, 1968.
MLA-referensRoy,Prodipto, och Kivlin,Joseph. Two Blades of Grass: A Summary of Two Studies on Agricultural Innovation in India. National Institute of Community Development, 1968.
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