Immanuel Felix Natanael Sinaga, and Gentar Rahayu Putra Juandi. “Avernas Wash: Facial Wash Belimbing Wuluh Combination of Bromelain Boost Enzyme Brightens Face and Is Environmentally Friendly”. International Journal of Economics and Management Research, vol. 3, no. 3, Dec. 2024, pp. 254-66, doi:10.55606/ijemr.v3i3.427.