Ardyanto, M. R., & Dewi, S. (2026). Analysis of Downtime Causes and Proposed Belt Conveyor Performance Improvement Using Root Cause Analysis and Plan-Do-Check-Action Methods at PT X. Journal of Artificial Intelligence and Engineering Applications (JAIEA), 6(1), 184–190. https://doi.org/10.59934/jaiea.v6i1.2668