QUARESMA, Rui Filipe Cerqueira; SILVA, Sílvia Paula Rosa da; MARREIROS, Cristina Galamba. E-Mail Usage Behavior at Work: the Portuguese Case. Journal of Information Systems and Technology Management, [S. l.], v. 10, n. 1, p. 05–20, 2013. DOI: 10.4301/s1807-17752013000100001. Disponível em: https://jistem.tecsi.org/index.php/jistem/article/view/10.4301%252FS1807-17752013000100001. Acesso em: 30 apr. 2025.