Mehta, Farhad Firoze, R Rajagopalan, and Piyush Trivedi. “Formulation and Characterization of Caffeine Biodegradable Chewing Gum Delivery System for Alertness Using Plasticized Poly (D,L-Lactic Acid) As Gum Base”. Tropical Journal of Pharmaceutical Research 16, no. 7 (August 2, 2017): 1489–1496. Accessed September 3, 2026. https://www.ajol.info/index.php/tjpr/article/view/159683.