M. S. Afzal, M. J. M. Cheema, M. A. Shahid, M. Arshad, and T. Khaliq. "OPTIMIZATION OF SUBSURFACE DRIP LATERAL DEPTHS AND IRRIGATION LEVELS FOR BEST YIELD RESPONSE OF ONION (ALLIUM CEPA L.)." Journal of Animal and Plant Sciences, vol. 30, no. 3, 2020, pp. 702-712, doi:10.36899/JAPS.2020.3.0083.