Singh*, V., and M. Tiwari. “Hydrophobic Modification of Chitosan and Its Physicochemical Evaluation As Sustained Release Tablet Formulation”. Asian Journal of Chemistry 23, no. 5 (January 25, 2011): 2141–2150. Accessed June 30, 2024. https://asianpubs.org/index.php/ajchem/article/view/10369.