FIRDIANSYAH, Ryan; BASNELDI, Basneldi; HERMAWAN, IG.N.Willy; YULIASIH, Muzayyanah; SETIADI, Bekti. 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: 29 aug. 2026.