ISMAIL, Ahmad Bagus; SETIONO, Tonny Agus; SURAHARTA, I Made. The Level of Passenger Satisfaction Towards the Quality of Local Train Services for the Improvement of Sidoarjo - Malang Kota Lama Relations. Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal), [S. l.], v. 4, n. 2, p. 131–137, 2020. DOI: 10.37367/jpi.v4i2.131. Disponível em: https://jurnal.ppi.ac.id/jpi/article/view/131. Acesso em: 4 jun. 2026.