Nuraini Rahmad, Arsi, F., & Oktaviya, T. D. (2025). Failure Analysis of Sludge Centrifuge Separator Machine Using Root Cause Analysis (RCA) at PT. X. Journal of Engineering Science and Technology Management (JES-TM), 5(1), 69–74. https://doi.org/10.31004/jestm.v5i1.232