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Production functions in West Pakistan agriculture
Ahmed, Mushtaq, (1972)
Agricultural development in Haryana : regional and districtwise variations in crop production and productivity
Gupta, D. P., (1982)
Agricultural trends in India, 1891 - 1947 : output, availability, and productivity
Blyn, George, (1966)
IMPACT OF TECHNOLOGICAL CHANGE ON THE AGRICULTURAL INDUSTRY1
LOK, S. H., (1959)