Agnimitra, D., Ipsita, B., Sumit, M., Moonmun, D., Durga, M., Si, S., & Barik, B. (2010). Effect of Chitosan on Ethyl Cellulose and Eudragit RS 100 Microspheres. Asian Journal of Chemistry, 22(7), 5716–5722. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/11693