Rakhmayanti, R., & Rusita, Y. (2022). Antioxidant Activity Of Peel-Off Mask Containing Coffee (Coffea arabica) and Turmeric (Curcuma longa) Using DPPH Method. JURNAL ILMU KEFARMASIAN INDONESIA, 20(1), 87-92. doi:10.35814/jifi.v20i1.1212