2016. Analisis Kadar Kafein Dari Serbuk Teh Hitam, Teh Hijau dan Teh Putih (Camellia sinensis L.). Journal Pharmasci (Journal of Pharmacy and Science). 1, 1 (May 2016), 15–17. DOI:https://doi.org/10.53342/pharmasci.v1i1.48.