Elferjani, Ambaraka Eid, Fawzia Ahmed Mohamed, and Amal Rajab Agila. “Study on Percentage of Tannin and Caffeine in Libyan Green Tea Beverages and Their Nutritional Effect on Human Health”. Tobruk University Journal of Medical Sciences 3, no. 1 (November 30, 2021): 55–64. Accessed August 21, 2025. https://journals.tu.edu.ly/tujms/index.php/jms/article/view/109.