National Council of Applied Economics Research. (1980). Implications of tractorisation for farm employment, productivity and income. NCAER.
Παραπομπή Chicago StyleNational Council of Applied Economics Research. Implications of Tractorisation for Farm Employment, Productivity and Income. New Delhi: NCAER, 1980.
Παραπομπή MLANational Council of Applied Economics Research. Implications of Tractorisation for Farm Employment, Productivity and Income. NCAER, 1980.
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