Roy, S. (1990). Agriculture and technology in developing countries: India and Nigeria. Sage Publications.
Citace podle Chicago (17th ed.)Roy, Sumit. Agriculture and Technology in Developing Countries: India and Nigeria. New Delhi ; Newbury Park: Sage Publications, 1990.
Citace podle MLA (8th ed.)Roy, Sumit. Agriculture and Technology in Developing Countries: India and Nigeria. Sage Publications, 1990.
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