Devi HLNA, Suptijah P, Nurilmala M. Effectiveness of Alkali and Acid to Produce Collagen from Fish Skin of Striped Catifish. JPHPI [Internet]. 2017 Aug. 15 [cited 2025 Dec. 24];20(2):255-6. Available from: https://journal.ipb.ac.id/jphpi/article/view/17906