Nautyal, Ujjwal, Deepak ., and Diksha Gupta. “Oral Sustained Release Tablets: An Overview With A Special Emphasis On Matrix Tablet”. International Journal of Health and Biological Sciences 3, no. 1 (March 30, 2020): 06-13. Accessed October 26, 2020. https://ijhbs.com/index.php/ijhbs/article/view/27.