XU, Liqiang. Dilemmas and Breakthroughs in Online Chinese Language Teaching during Digital Transformation: An Analysis Based on Activity Theory. Education Insights, SOAP, U.K., v. 2, n. 5, p. 66–72, 2025. DOI: 10.70088/2szg4783. Disponível em: https://soapubs.com/index.php/EI/article/view/384.. Acesso em: 1 jul. 2025.