Iskandar, Hikmat. “Volume Pemakaian Bahan Bakar Truk Medium 2 AS Yang Beroperasi Di Ruas Jalan Wilayah”. Jurnal Jalan Jembatan, no. 2 (December 30, 1987): 6–15. Accessed November 26, 2025. https://binamarga.pu.go.id/jurnal/index.php/jurnaljalanjembatan/article/view/521.