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