COSTELLO, Jane. Symposium 5: Perceptions of guest lecturers’ impact on online learning communities. Proceedings of the International Conference on Networked Learning , [S. l.], v. 8, p. 482–487, 2012. DOI: 10.54337/nlc.v8.9143. Disponível em: https://journals.aau.dk/index.php/nlc/article/view/9143. Acesso em: 21 nov. 2024.