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Za'im Nabil A, Ayu Susanthi D, Rofik Usman M. FORMULATION AND DETERMINATION OF TOTAL FLAVONOID CONTENT OF FACE WASH GEL COCOA FRUIT EXTRACT (THEOBROMA CACAO L.) USING UV-VIS SPECTROPHOTOMETRY. IPJ [Internet]. 2025 Jan. 31 [cited 2025 Nov. 23];2(1):38-4. Available from: https://ipj.uds.ac.id/ipj/article/view/37