KHALEMESI, Jacqueline; ODHIAMBO, Elijah Onyango Standslause. Assessment of helmet usage enforcement on safety of commercial motorcyclists in Kenya: A case of Kisumu City. African Journal of Empirical Research, [S. l.], v. 6, n. 2, p. 570–577, 2025. DOI: 10.51867/ajernet.6.2.48. Disponível em: https://ajernet.net/ojs/index.php/ajernet/article/view/1071. Acesso em: 10 may. 2026.