Joko, Galuh, and Nur Budi Mulyono. “Optimizing Coal Hauling Operations: A Strategic Plan for Increased Productivity at PT Borneo”. Logistic and Operation Management Research (LOMR) 2, no. 1 (March 9, 2025): 63–81. Accessed March 10, 2025. https://journals.researchsynergypress.com/index.php/lomr/article/view/1529.