ROTH, R. L. . Expanding Areas of Influence at Azores University: Virtual Campus, Regional Clusters and Points of Presence . International Journal of Learning, Teaching and Educational Research, [S. l.], v. 16, n. 3, p. 29–37, 2017. Disponível em: http://www.ijlter.net/index.php/ijlter/article/view/831. Acesso em: 19 apr. 2026.