M. K. Putri and B. R. E. M. Dellima, “Perbandingan Aktivitas Antioksidan, Inhibitor Enzim Tirosinase, dan Antibakteri Serum Ekstrak Air, Ekstrak Etanol Kulit Buah Kopi dan Kombinasinya: Comparison of Antioxidant Activity, Tyrosinase Enzyme Inhibitors, and Antibacterial Activity of Water Extract, Ethanol Extract of Coffee Fruit Peel and their Combination”, J. Sains Kes., vol. 7, no. 5, pp. 338–346, Oct. 2025.