AGUS TRIANI, Ririn. Pengaruh Service Quality, Promotion, dan Convenience Penggunaan Aplikasi KAI Access Terhadap Customer loyalty Melalui Customer Satisfaction PT Kereta Api Indonesia. Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal), [S. l.], v. 7, n. 1, p. 20–31, 2023. DOI: 10.37367/jpi.v7i1.273. Disponível em: https://jurnal.ppi.ac.id/jpi/article/view/273. Acesso em: 4 jun. 2026.