SOFWAN, Muhammad; ROHJAN, Jajan; SURDIA, Reza M. Kajian Tarif Angkutan Penumpang Yang Layak Bus Trans Metro Pekanbaru. JURNAL SAINTIS, [S. l.], v. 17, n. 1, p. 84–99, 2017. Disponível em: https://journal.uir.ac.id/index.php/saintis/article/view/1770. Acesso em: 24 jun. 2026.