Vangara, K. K. (2015) “Formulation Development of Metoprolol Succinate Controlled Release Tablets using Ethyl-cellulose-polyvinyl-pyrrolidone Coating”, International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), 8(2), pp. 2851–2857. doi: 10.37285/ijpsn.2015.8.2.8.