MUNENE, K. Effectiveness of Covid-19 contact tracing solutions . African Journal of Science, Technology and Social Sciences, [S. l.], v. 1, n. 1, 2022. DOI: 10.58506/ajstss.v1i1.67. Disponível em: http://41.89.229.52/index.php/AJSTSS/article/view/67. Acesso em: 4 apr. 2025.