Wahyuningsih, R., Nurliyani, R., Pertiwiningrum, A., Rohman, A., Fitriyanto, N. A., & Erwanto, Y. (2018). Optimization of Acid Soluble Collagen Extraction from Indonesian Local “Kacang” Goat Skin and Physico-Chemical Properties Characterization. Chemical Engineering Transactions, 63, 703-708. https://doi.org/10.3303/CET1863118