Khan, A. R., Farooqui, Z. H., Hasan, S.- ul-., & Imran, A. (2000). ?PREPARATION OF HYDROGELS BASED ON PYA-ACRYLIC ACID USING N,N-METHYLENEBISACRYLAMIDE As CROSSLINKING AGENT. Biological Sciences - PJSIR, 43(1), 60–64. Retrieved from http://v2.pjsir.org/index.php/biological-sciences/article/view/1995