Carattri, Money, Ahmad Shofy Mubarak, and Laksmi Sulmartiwi. “Catfish (Pangasius Hypophthalmus) Skin As a Nanocollagen Source: Impact of Extraction Time and Acetic Acid Concentration With Ultrasonication Assistance”. Journal of Marine and Coastal Science 14, no. 2 (June 30, 2025): 86–100. Accessed July 3, 2025. https://e-journal.unair.ac.id/JMCS/article/view/72265.