PRABAWA, Hanafi Isnanta. Analisis Usia Layan Tanah Dasar Pada Struktur Jalan Kereta Api Berdasarkan Perbedaan Ketebalan Balas. Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal), [S. l.], v. 7, n. 1, p. 47–53, 2023. DOI: 10.37367/jpi.v7i1.282. Disponível em: https://jurnal.ppi.ac.id/jpi/article/view/282. Acesso em: 4 jun. 2026.