Herawati, Elisa, Rizki Sandhi Titisari, and Okid Parama Astirin. 2023. “Characterization of Collagen Hydrolysate Gel from Mackerel Scad Skin (Decapterus Macarellus)”. Jurnal Penelitian Pendidikan IPA 9 (7):5568-73. https://doi.org/10.29303/jppipa.v9i7.3983.