NG, Kwok Chi. Replacing Face-to-Face Tutorials by Synchronous Online Technologies: Challenges and pedagogical implications. The International Review of Research in Open and Distributed Learning, [S. l.], v. 8, n. 1, 2007. DOI: 10.19173/irrodl.v8i1.335. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/335. Acesso em: 19 apr. 2024.