A, Srividhya, Sangeetha K, Gomathi T, and Sudha P.N. 2017. “Preparation and Characterization of Chitosan (CN)/Polyethylene Glycol (PEG) Binary Blend for Heavy Metal Chromium Removal ”. International Journal of Novel Trends in Pharmaceutical Sciences 7 (1), 1-7. https://scienztech.org/index.php/ijntps/article/view/205.