Karna, Sudhir, Shashank Chaturvedi, Vipin Agrawal, and Mohammad Alim. 2015. “FORMULATION APPROACHES FOR SUSTAINED RELEASE DOSAGE FORMS: A REVIEW”. Asian Journal of Pharmaceutical and Clinical Research 8 (5), 34-41. https://innovareacademics.in/journals/index.php/ajpcr/article/view/7185.