Shahani, W. A., Kaiwen, F. and Memon, A. (2016) “IMPACT OF LASER LEVELING TECHNOLOGY ON WATER USE EFFICIENCY AND CROP PRODUCTIVITY IN THE COTTON –WHEAT CROPPING SYSTEM IN SINDH”, International Journal of Research -GRANTHAALAYAH, 4(2), pp. 220–231. doi: 10.29121/granthaalayah.v4.i2.2016.2832.