R. H. . Wirayudha, D. Herawati, F. . Kusnandar, and T. . Nurhayati, “Kapasitas Antioksidan dan Sifat Fisikokimia Hidrolisat Kolagen dari Kulit Ikan Tuna Sirip Kuning dengan Metode Ultrasound Assisted Enzymatic Reaction: The Antioxidant Capacity and Physicochemical Properties of Yellowfin Tuna Skin Collagen Hydrolysate Using Ultrasound-Assisted Enzymatic Hydrolysis ”, JPHPI, vol. 25, no. 3, pp. 393–404, Dec. 2022, doi: 10.17844/jphpi.v25i3.43325.