HOANG, H. T.; NGUYEN, D. T. T. Teachers’ Psychological Difficulties in Online Teaching: Research in some Middle and High Schools in the North and South of Vietnam. Vietnam Journal of Education, [S. l.], v. 9, n. 3, p. 437–453, 2025. DOI: 10.52296/vje.2025.746. Disponível em: https://vje.vn/index.php/journal/article/view/746. Acesso em: 1 jan. 2026.