National Council of Applied Economic Research. (1980). Implications of tractorisation for farm employment, productivity, and income. National Council of Applied Economic Research.
Chicago-viite (17. p.)National Council of Applied Economic Research. Implications of Tractorisation for Farm Employment, Productivity, and Income. New Delhi: National Council of Applied Economic Research, 1980.
MLA-viite (8. p.)National Council of Applied Economic Research. Implications of Tractorisation for Farm Employment, Productivity, and Income. National Council of Applied Economic Research, 1980.
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