HUTAURUK, Mutia Salwa; INDRA, Ahmad Perdana; ANGGRAINI, Tuti. Implementation and Effectiveness of Risk Management for Organizing Umrah Worship in an Era of Global Economic Uncertainty: Case Study of Travel Maha Tour. Indonesian Journal of Islamic Economics and Finance, [S. l.], v. 6, n. 1, p. 719–734, 2026. DOI: 10.37680/ijief.v6i1.10236. Disponível em: https://ejournal.insuriponorogo.ac.id/index.php/jief/article/view/10236. Acesso em: 30 jul. 2026.