KURNIAWAN, Dwi Ardianta; PURWOTO, Hengki; CIPTONO, Wakhid Slamet; MULYONO, Agus Taufik; WISMADI, Arif; MUTHOHAR, Imam. Ketahanan Bisnis Perkeretaapian di Masa Pandemi COVID - 19. Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal), [S. l.], v. 5, n. 2, p. 12–21, 2021. DOI: 10.37367/jpi.v5i2.156. Disponível em: https://jurnal.ppi.ac.id/jpi/article/view/156. Acesso em: 4 jun. 2026.