Understanding Obstacles to Online Professional Development through the Lens of EFL Teachers’ Attitudes: A Qualitative Study in Vietnam context. Computer-Assisted Language Learning Electronic Journal, [S. l.], v. 21, n. 3, p. 23–40, 2024. Disponível em: https://callej.org/index.php/journal/article/view/309.. Acesso em: 29 jun. 2025.