YU, Tang. From Activity Participation to Student Development: An Engagement–Learning–Assessment Framework for the Second Classroom in Chinese Private Undergraduate Universities. Education Insights, SOAP, U.K., v. 3, n. 9, p. 151–162, 2026. DOI: 10.70088/5m775278. Disponível em: https://soapubs.com/index.php/EI/article/view/2910.. Acesso em: 3 oct. 2026.