Khan, A. R., S.- ul-. Hasan, K. A. Syed, and K. Ahmed. “?PREPARATION OF GRAFT COPOLYMER MAIZE-STARCH-G-ACRYLONITRILE AND ITS SAPONIFICATION”. Biological Sciences - PJSIR, vol. 42, no. 2, Apr. 1999, pp. 74-77, https://v2.pjsir.org/index.php/biological-sciences/article/view/2115.