Vijayakumar, Aishwarya, Vinutha Moses, Soumya C., and Shobha G. “ESTIMATION OF CRUDE CAFFEINE IN DIFFERENT TYPES OF TEA”. Journal of Advanced Scientific Research 5, no. 04 (November 10, 2014): 39-42. Accessed July 7, 2026. https://www.sciensage.info/index.php/JASR/article/view/210.