CHEN, Yingying; LV, Taizhi. Design and Implementation of COVID-19 Data Analysis and Visualization System. Scientific Journal of Technology, [S. l.], v. 4, n. 11, p. 55–60, 2022. DOI: 10.54691/sjt.v4i11.2749. Disponível em: https://bcpublication.org/index.php/SJT/article/view/2749. Acesso em: 7 oct. 2025.