The effect of citric and acetic acid treatment on gelatin production from catfish skinNami Lestari, Lamhot P. Manalu, Taufik Hidayat, Lukman Junaidi, Eddy Sapto Hartanto, Rienoviar, Suroto Hadi Saputra, Armen Zulham and Dheni Mita MalaBIO Web Conf., 87 (2024) 03004DOI: https://doi.org/10.1051/bioconf/20248703004