D. Amertaningtyas, Z. Bachrudin, Jamhari, K. B. Chin, and Y. Erwanto, “Characteristics of Gelatin Extracted from Indonesian Local Cattle Hides Using Acid and Base Curing”, Pak. J. Nutr., vol. 18, no. 5, pp. 443–454, Apr. 2019, doi: 10.3923/pjn.2019.443.454.