AMAZON, Jemizar; YERMADONA, Helga; ZUHELDI. PENINGKATAN KESELAMATAN JALAN DI RUAS JALAN LINTAS SUMATERA KM 71-73 DI NAGARI KUMANIS KECAMATAN SUMPUR KUDUS KABUPATEN SIJUNJUNG. Rangkiang Jurnal , [S. l.], v. 1, n. 1, p. 59–68, 2025. Disponível em: https://rangkiangjurnal.com/index.php/rangkiang/article/view/35. Acesso em: 15 jan. 2026.