QIAO, Yuhan; TANG, Ying; HEW, Khe Foon. Student Cognitive Presence in Small Group Collaboration Facilitated by Mobile Instant Messaging. International Journal of Educational Technology and Learning, [S. l.], v. 2, n. 1, p. 14–24, 2018. DOI: 10.20448/2003.21.14.24. Disponível em: https://scipg.com/index.php/101/article/view/10. Acesso em: 18 aug. 2025.