A. Puratchikody, Prasanth V.V, Sam T. Mathew, and Ashok Kumar B. “Buccal Drug Delivery: Past, Present and Future – A Review”. International Journal of Drug Delivery 3, no. 2 (June 30, 2011): 171–184. Accessed August 3, 2025. https://www.ijdd.arjournals.org/index.php/ijdd/article/view/67.