HABILA, S.K.; MBAEKIN, S. R.; BALOGUN, Joseph O. The Status of Commercial Motorcycle Operations in Ahmadu Bello University, Samaru-Zaria, Kaduna State, Nigeria. International Journal of Social Sciences, [S. l.], v. 13, n. 4, p. 61–75, 2019. Disponível em: https://www.ijss.com.ng/index.php/home/article/view/112. Acesso em: 3 feb. 2026.