ABDULRAHMAN SHARAF MOHAMMED FADHEL; GHAZALI, . R. . Web-Based Information System for Covid19 in Yemen. Applied Information Technology And Computer Science, [S. l.], v. 2, n. 2, p. 1321–1341, 2021. Disponível em: https://publisher.uthm.edu.my/periodicals/index.php/aitcs/article/view/2217. Acesso em: 26 jun. 2022.