Abbas, M., M. Aslam, J. A. Shah, N. Depar, and M. Y. Memon. “RELATIVE GROWTH RESPONSE OF HYDROPONICALLY GROWN WHEAT GENOTYPES TO DEFICIENT AND ADEQUATE PHOSPHORUS LEVELS”. Advances in Agriculture and Animal Sciences, vol. 32, no. 2, Dec. 2016, pp. 169-81, https://pjaaevs.sau.edu.pk/index.php/ojs/article/view/114.