VAN NIEKERK, A.; GOVENDER, R.; JACOBS, R.; VAN AS, A. Schoolbus driver performance can be improved with driver training, safety incentivisation, and vehicle roadworthy modifications. South African Medical Journal, [S. l.], v. 107, n. 3, p. 188–191, 2017. DOI: 10.7196/samj.2017.v107i3.12363. Disponível em: https://www.ajol.info/index.php/samj/article/view/153294. Acesso em: 19 oct. 2026.