POKHREL, P.; SHRESTHA, S.; RIJAL, S. K.; RAI, K. P. A simple HPLC Method for the Determination of Caffeine Content in Tea and Coffee. Journal of Food Science and Technology Nepal, [S. l.], v. 9, p. 74–78, 2016. DOI: 10.3126/jfstn.v9i0.16200. Disponível em: https://www.nepjol.info/index.php/JFSTN/article/view/16200. Acesso em: 21 may. 2024.