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Agricultural development in Haryana : regional and districtwise variations in crop production and productivity
Gupta, D. P., (1982)
Production conditions in Indian agriculture. A study based on farm management surveys
Bharadwaj, Krishna, (1974)
Inputs productivity in agriculture : with an emphasis on irrigation and farm size
Patel, N. T., (1982)
Agricultural Trends in India, 1891 - 1947 : output, availability, and productivity
Blyn, George, (1966)
The Green Revolution revisited
Blyn, George, (1983)
Income distribution among Haryana and Punjab cultivators, 1968/69-1975/76