AKALA , Ben M.; ADANO , Wario R.; AKALA , Winston J.; NGAIRA , Josephine K. W. Social Cost of Motorcycle Transport on Human Welfare in Kakamega Municipality, Kenya. African Journal of Education,Science and Technology (AJEST), [S. l.], v. 1, n. 4, p. pp 179–186, 2014. Disponível em: http://ajest.org/index.php/ajest/article/view/383. Acesso em: 3 apr. 2026.