Chowdary, K.P.R., et al. “Preparation and Evaluation of Ethyl Cellulose Coated Microcapsules of Gliclazide for Controlled Release”. Asian Journal of Chemistry, vol. 20, no. 8, Mar. 2010, pp. 5908-14, https://asianpubs.org/index.php/ajchem/article/view/13038.