FIRDIANSYAH, R.; BASNELDI, B.; HERMAWAN, I.; YULIASIH, M.; SETIADI, B. THE IMPACT OF COVID 19 ON THE UMRAH AND HAJJ BUSINESS PLUS IN EAST JAKARTA. Dinasti International Journal of Management Science, [S. l.], v. 2, n. 2, p. 174–179, 2020. DOI: 10.31933/dijms.v2i2.579. Disponível em: https://dinastipub.org/DIJMS/article/view/579. Acesso em: 4 may. 2024.