ALHAWITI, M. M. F. . The Effect of Virtual Classes on Student English Achievement at Tabuk Community College. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 16, n. 5, p. 90–101, 2017. Disponível em: https://ijlter.net/index.php/ijlter/article/view/820. Acesso em: 24 jul. 2026.