UROMI, SABBATH M. Challenges facing public procurement information in some African countries namely: South Africa, Uganda, Zimbabwe and Tanzania. International Journal for Innovation Education and Research, Dhaka, Bangladesh, v. 2, n. 7, p. 54–60, 2014. DOI: 10.31686/ijier.vol2.iss7.208. Disponível em: https://scholarsjournal.net/index.php/ijier/article/view/208.. Acesso em: 27 sep. 2024.