JIANG, X. The Empirical Research on “School’s Out, but Class’s On” in Secondary Vocational Schools under the Pandemic. Science Insights Education Frontiers, [S. l.], v. 10, n. S1, p. 21, 2021. DOI: 10.15354/sief.21.s1.ab051. Disponível em: https://www.bonoi.org/index.php/sief/article/view/585. Acesso em: 22 apr. 2026.