“Proyeksi Emisi Gas Rumah Kaca Sektor Energi Transportasi Kendaraan Dinas Universitas Mulawarman”. Progressive Physics Journal 5, no. 2 (December 23, 2024): 404–416. Accessed October 3, 2025. https://jurnal.fmipa.unmul.ac.id/index.php/ppj/article/view/635.