S. P. PHADATARE, and K. K. SINGH. “DEVELOPMENT OF CONTROLLED RELEASE ANTIULCER TABLETS USING EXTRUSION- SPHERONIZATION METHOD AND STUDY OF EFFECT OF HYDROPHILIC POLYMERS ON RELEASE RATE AND IN VITRO EVALUATION”. International Journal of Pharma and Bio Sciences, vol. 3, no. 4, Dec. 2012, pp. 367-81, https://ijpbs.net/index.php/journal/article/view/1689.