LI, Zhuo. Design of Online Vocal Music Course Based on Azure-PaaS Platform. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 12, n. 09, p. pp. 17–27, 2017. DOI: 10.3991/ijet.v12i09.7495. Disponível em: https://online-journals.org/index.php/i-jet/article/view/7495. Acesso em: 3 may. 2024.