Zain, Hatami, Mohamad Jihan Shofa, Heru Winarno, and Faishal Ade Hermawan. 2023. “Six Big Losses Method for Management Maintenance on the Coal Feeder Machine PT Indonesia Power”. International Journal of Applied Research and Sustainable Sciences 1 (1):55-64. https://doi.org/10.59890/ijarss.v1i1.339.