Salihović M, Šapčanin A, Pazalja M, Alispahić A, Dedić A, Ramić E. Determination of Caffeine in Different Commercially Available Green and Black Teas. Glas. hem. tehnol. Bosne Herceg. 2014;43:1-4. Accessed August 30, 2026. https://glashem.pmf.unsa.ba/index.php/bctbh/article/view/128