R. R. Prasetyo, A. S. Mubarak, E. Saputra, and J. . Triastuti, “The Characterization of Collagen Isolated from Red Snapper Fish Skin (Lutjanus sp.) by Hydroextraction Method with Different Concentration of Acid Solution”, JAFH, vol. 12, no. 2, pp. 226–232, May 2023.