Yasmina, K.V. et al. 2016. Uji Aktivitas Antioksidan Kombucha Bawang Tiwai (Eleutherine palmifolia) dan Kombucha Pasak Bumi (Eurycoma longifolia jack). Proceeding of Mulawarman Pharmaceuticals Conferences. 4, 1 (Nov. 2016), 175–179. DOI:https://doi.org/10.25026/mpc.v4i1.178.