Vehicular Emission Levels and Risk Associated with Street Hawkers and Traffic Wardens in Some Selected Areas of Accra, Ghana. Journal of Science and Technology, [S. l.], v. 41, n. 3, p. 11–22, 2023. DOI: 10.4314/just.v41i3.1509. Disponível em: https://journal.knust.edu.gh/index.php/just/article/view/1509. Acesso em: 11 jun. 2026.