LEONE, P. . Teletandem, Video-Recordings and UsageBased Tasks: Developing a Socially Situated Scenario for Learning. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 9, n. 1, p. 41–50, 2014. Disponível em: http://www.ijlter.net/index.php/ijlter/article/view/1142. Acesso em: 20 apr. 2026.