XIE, Z. Effectiveness of Autonomous Learning Materials for Students during the COVID-19 Pandemic: A Case Study of the Daxie Second Elementary School in Ningbo, Zhejiang, China. Science Insights Education Frontiers, [S. l.], v. 6, n. 1, p. 613–624, 2020. DOI: 10.15354/sief.20.or023. Disponível em: https://bonoi.org/index.php/sief/article/view/6. Acesso em: 29 apr. 2026.