Nugraha FA, Utomo N. Studi Kelayakan Tarif Baru Kereta Api Komuter Rute Surabaya – Bangil. KERN [Internet]. 2025Sep.10 [cited 2025Sep.16];10(2):75-86. Available from: https://kern.upnjatim.ac.id/index.php/kern/article/view/77