Abbas, M., M. Aslam, J. A. Shah, N. Depar, and M. Y. Memon. 2016. “RELATIVE GROWTH RESPONSE OF HYDROPONICALLY GROWN WHEAT GENOTYPES TO DEFICIENT AND ADEQUATE PHOSPHORUS LEVELS”. Advances in Agriculture and Animal Sciences 32 (2):169-81. https://pjaaevs.sau.edu.pk/index.php/ojs/article/view/114.