YantiF., DharmayantiN. dan SuryantiS. (2022) “Aktivitas Antioksidan Kolagen dari Kulit Ikan Patin (Pangasius sp.) dengan Enzim Bromelin Kasar Kulit Nanas (Ananas comosus L.): Antioxidant Activity of Collagen from the Skin of Pangas Catfish (Pangasius sp) with Crude Bromelain Enzyme of Pineapple Peel”, Jurnal Pengolahan Hasil Perikanan Indonesia. Bogor, ID, 25(1), hlm. 88-96. doi: 10.17844/jphpi.v25i1.36731.