BILEWU, S.; SALAMI, A.; AYANSHOLA, A.; YUSUF, I. Assessment of noise from transportation systems in Ilorin, Nigeria. Nigerian Journal of Technological Development, [S. l.], v. 16, n. 3, p. 98–104, 2019. DOI: 10.4314/njtd.v16i3.2. Disponível em: https://www.ajol.info/index.php/njtd/article/view/191099. Acesso em: 9 oct. 2026.