Sharma, Gaurav, Ujjwal Nautiyal, and Sayeed Ahmad. “An Overview on Gastroretentive Drug Delivery System (GRDDS)”. International Journal of Health and Biological Sciences 2, no. 2 (June 30, 2019): 01–08. Accessed June 19, 2025. https://www.ijhbs.com/index.php/ijhbs/article/view/15.