SIMANJUNTAK, Rita; JINCA, Muhammad Yamin; OLFEBRI, Olfebri; SONNY, Imam. Cargo Services Equipment Utilization And Operational Efficiency In Improving Port Concession Revenue . Dinasti International Journal of Education Management and Social Science, [S. l.], v. 7, n. 4, p. 3992–4002, 2026. DOI: 10.38035/dijemss.v7i4.6548. Disponível em: https://dinastipub.org/DIJEMSS/article/view/6548. Acesso em: 15 may. 2026.