Azharuddin, Mohd, Krishnananda Kamath, T. Panneerselvam, Subash S. Pillai, and A.R. Shabaraya. 2011. “Formulation and Evaluation of Controlled Release Matrix Tablets of Antihypertensive Drug Using Natural and Synthetic Hydrophilic Polymers”. Research in Biotechnology 2 (4). https://www.updatepublishing.com/journal/index.php/rib/article/view/2366.