Anggraini, Shinta, et al. “ANTIOXIDANT ACTIVITY AND PSYCHOCHEMICAL OF CASCARA KOMBUCHA FROM ROBUSTA COFFEE”. Politeknik Negeri Pontianak Conference Series, vol. 1, no. 1, Aug. 2024, pp. 129-48, https://ejurnal.polnep.ac.id/index.php/ProsidingPolnep/article/view/816.