LIU, J.; HUANG, P. Evaluation and Analysis of Student Academic Burden: A Global Perspective. Science Insights Education Frontiers, [S. l.], v. 10, n. 2, p. 1423–1437, 2021. DOI: 10.15354/sief.21.or062. Disponível em: https://bonoi.org/index.php/sief/article/view/661. Acesso em: 16 apr. 2026.