1.
Hakan Aktas A, Pekcan H. Chemometric Methods for the Simultaneous Spectrophotometric Determination of Caffeine, Theobromine and Theophylline in Tea. ajc [Internet]. 2013 Sep. 10 [cited 2024 Nov. 23];25(15):8333-8. Available from: https://asianpubs.org/index.php/ajchem/article/view/25_16_20