Zainuddin, Ahmad, SetyawatiIntan Kartika, and Rudi Wibowo. 2017. “Risk Management of Sugar Production Due to the Magnitude of Losses (Case Study of PT Perkebunan Nusantara X)”. Indonesian Journal of Business and Entrepreneurship (IJBE) 3 (3), 153. https://doi.org/10.17358/ijbe.3.3.153.