XIE, Tongwei. Development and Empirical Study of a Multimodal Educational Agent System in Metaverse for Engineering Education Digital Transformation​. Journal of Engineering Systems and Applications, Berlin, Germany, v. 1, p. 42–49, 2025. DOI: 10.63802/jesa.V1.2025.151. Disponível em: https://test.journals.panorama-sg.com/index.php/jesa/article/view/151.. Acesso em: 7 apr. 2026.