Simamora, E. Y. E. W., Raja, P. L., & Nasution, F. N. (2026). Performance-Based Cycle Time Analysis for Improving the Operational Productivity of the Hauling Fleet at PT Rogomos Tapind Group. Indonesian Journal Economic Review (IJER), 6(3), 1405–1615. https://doi.org/10.59431/ijer.v6i3.1015