PUSPITASARI, Mariana Diah; ISWANTO, Ary Putra; WICAKSONO, Adi. Level of Quality of Service for Diesel Train of Surabaya-Sidoarjo Line Based on Servqual Method. Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal), [S. l.], v. 7, n. 1, p. 39–46, 2023. DOI: 10.37367/jpi.v7i1.247. Disponível em: https://jurnal.ppi.ac.id/jpi/article/view/247. Acesso em: 25 jun. 2026.