Wibawa, Berto Mulia, Dewie Saktia Ardiantono, and Ywang Nara Pragnya. 2019. “Value Chain Analysis on Goat Processed Products in Surabaya”. Indonesian Journal of Business and Entrepreneurship (IJBE) 5 (2), 204. https://doi.org/10.17358/ijbe.5.2.204.