MUDENDA, Collins. Road Toll?ng in Zambia: A Literature Review. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 32, n. 2, p. 105–115, 2017. Disponível em: https://gssrr.org/JournalOfBasicAndApplied/article/view/6893. Acesso em: 27 oct. 2025.