Wibawa, Berto Mulia, Dewie Saktia Ardiantono, and Ywang Nara Pragnya. “Value Chain Analysis on Goat Processed Products in Surabaya”. Indonesian Journal of Business and Entrepreneurship (IJBE) 5, no. 2 (May 26, 2019): 204. Accessed February 5, 2023. https://jurnal.ipb.ac.id/index.php/ijbe/article/view/25799.