Prasetyo, R. R., 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”. Journal of Aquaculture and Fish Health, vol. 12, no. 2, May 2023, pp. 226-32, doi:10.20473/jafh.v12i2.35022.