India. Directorate of Economics and Statistics. (1980). Estimates of area and production of principal crops in India. Directorate of Economics and Statistics.
Chicago-referens (17:e uppl.)India. Directorate of Economics and Statistics. Estimates of Area and Production of Principal Crops in India. New Delhi: Directorate of Economics and Statistics, 1980.
MLA-referens (8:e uppl.)India. Directorate of Economics and Statistics. Estimates of Area and Production of Principal Crops in India. Directorate of Economics and Statistics, 1980.
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