Blyn, G. (1966). Agricultural trends in India, 1891-47: Output availability and productivity. University of pensylvania.
Παραπομπή Chicago StyleBlyn, George. Agricultural Trends in India, 1891-47: Output Availability and Productivity. USA: University of pensylvania, 1966.
Παραπομπή MLABlyn, George. Agricultural Trends in India, 1891-47: Output Availability and Productivity. University of pensylvania, 1966.
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