H. Z. Abdullah and N. . Azlan Hisham, “The Effect of Hydrochloric Acid to The Extraction of Gelatin from Salmon Skin”, rpmme, vol. 4, no. 1, pp. 270–276, Aug. 2023, Accessed: Jul. 18, 2024. [Online]. Available: https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/9120