Sultana, S, et al. “Preparation Of Carboxymethyl Cellulose Acrylamide Copoly-Mer Hydrogel Using Gamma Radiation And Investigation Of Its Swelling Behavior”. Journal of the Bangladesh Chemical Society, vol. 25, no. 2, May 2013, pp. 132-8, doi:10.3329/jbcs.v25i2.15065.