Soleimani, Fatemeh, et al. “Optimization of Synthetic Conditions of Graft Copolymerization of Alginate-G-Poly(methacrylamide)”. Asian Journal of Chemistry, vol. 24, no. 7, Mar. 2012, pp. 3209-12, https://asianpubs.org/index.php/ajchem/article/view/9331.