Hutama Putra, Windra, Sri Subekti, and Muhammad Amin. “In Vitro Antioxidant Activity Dpph Assay of Protein Hydrolysate Mackerel (Scomber Scombrus) Viscera”. Grouper : Jurnal Ilmiah Perikanan 15, no. 2 (September 15, 2024): 244–253. Accessed October 7, 2024. https://grouper.unisla.ac.id/index.php/grouper/article/view/266.