00612nam a2200217Ia 4500 170901s1981 xx 000 0 und d 338.1 L35I Laxminarayan, H. Impact of Harvest Combines on Labour-Use, Crop Pattern and Productivity New Delhi Agricole Publishing Academy 1981 177 Economics Social sciences Agricultural laborers Agricultural machinery Farm mechanization India Gupta, D. P. Rangaswamy, P. ddc BK 2914 2914 0 0 ddc 0 0 RAU RAU 2017-10-18 Agricole Pub. Academy, New Delhi 95.00 0 338.1 L35I 25903 2017-10-18 1981-07-22 BK