Roni, Roni, and Mentiana Sibarani. “Comparative Analysis of Operational and Investment Costs Between Diesel Trucks and Electric Trucks in Coal Transportation Activities in West Kutai Regency”. Eduvest - Journal of Universal Studies 5, no. 12 (December 8, 2025): 14460–14478. Accessed February 16, 2026. https://eduvest.greenvest.co.id/index.php/edv/article/view/51942.