Herawati, E., Titisari, R. S. . and Astirin, O. P. . (2023) “Characterization of Collagen Hydrolysate Gel from Mackerel Scad Skin (Decapterus macarellus)”, Jurnal Penelitian Pendidikan IPA, 9(7), pp. 5568–5573. doi: 10.29303/jppipa.v9i7.3983.