C. S. Pandey and N. Gupta. (1997). Studies on the Preparation of Cross-Linked Polyvinylpyrrolidone-g-Poly (Maleic Anhydride-co-Styrene) and the ImmobiliZation of Ovalbumin on the Graft Copolymer. Journal of International Academy of Physical Sciences, 1(1-2), 19–26. Retrieved from https://www.iaps.org.in/journal/index.php/journaliaps/article/view/98