Hari Cahyono, Wini Trilaksani and Uju 2022. Karakteristik Fisikokimia Papain Soluble Collagen dari Gelembung Renang Ikan Tuna (Thunnus sp.): Physicochemical Characteristics of Papain Soluble Collagen from Tuna (Thunnus sp.) Swim Bladder . Jurnal Pengolahan Hasil Perikanan Indonesia. 25, 1 (Apr. 2022), 1-17. DOI:https://doi.org/10.17844/jphpi.v25i1.38213.