Khidir Hawari, S., Gusmulyani dan Ishak (2026) “Analisis Tarif Berdasarkan Biaya Operasional Kendaraan, Ability To Pay, dan Willingness To Pay Bus DAMRI Rute Kota Padang – Bandara Internasional Minangkabau”, Rangkiang Jurnal , 2(1), hlm. 119–129. Tersedia pada: https://rangkiangjurnal.com/index.php/rangkiang/article/view/139 (Diakses: 24 April 2026).