Analisis Kadar Kafein Dari Serbuk Teh Hitam, Teh Hijau dan Teh Putih (Camellia sinensis L.). Journal Pharmasci (Journal of Pharmacy and Science), [S. l.], v. 1, n. 1, p. 15–17, 2016. DOI: 10.53342/pharmasci.v1i1.48. Disponível em: https://ejournal.akfarsurabaya.ac.id/index.php/jps/article/view/48. Acesso em: 2 apr. 2026.