Athar, Habib-ur-Rehman, and Seema Mahmood. “FOLIAR AMINO ACIDS AND PROTEINS OF MAIZE (ZEA MAYS) IN RELATION TO LONG-TERM HYPOXIC CONDITIONS UNDER SUPPLEMENTARY NO3-N”. Journal of Research (Science), vol. 14, no. 2, June 2003, pp. Pages: 235-240, http://jorscience.com/index.php/JRS/article/view/158.