Ikram, Muh. Sofyanul, Tantri Yanuar Rahmat Syah, and Edi Hamdi. 2026. “Used Cooking Oil Supply Chain Risk Management (Used Cooking Oil) Based on ISO 31000:2018”. Indonesian Journal of Innovation Multidisipliner Research 4 (3):15322-28. https://doi.org/10.69693/ijim.v4i3.2739.