MAULANA, Irwan; KARIEM, M. Agus; RAMDAN, R. Dadan. Evaluation of ultrasonic non-destructive inspection methods for structural integrity assessment of freight train axles. Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal), [S. l.], v. 8, n. 2, p. 41–49, 2024. DOI: 10.37367/jpi.v8i2.344. Disponível em: https://jurnal.ppi.ac.id/jpi/article/view/344. Acesso em: 4 jun. 2026.