THAYYIL, J.; KUNIYIL, V.; CHERUMANALIL, J. M. COVID-19: digital contact tracing technologies and ethical challenges. International Journal Of Community Medicine And Public Health, [S. l.], v. 7, n. 7, p. 2854–2861, 2020. DOI: 10.18203/2394-6040.ijcmph20203027. Disponível em: https://www.ijcmph.com/index.php/ijcmph/article/view/6686. Acesso em: 15 feb. 2026.