HILL, G.; MASON, J.; DUNN, A. Contract cheating: an increasing challenge for global academic community arising from COVID-19. Research and Practice in Technology Enhanced Learning, [S. l.], v. 16, 2021. Disponível em: https://rptel.apsce.net/index.php/RPTEL/article/view/2021-16024. Acesso em: 7 may. 2024.