HURUBI, Ibrahim Ahamad. The role of the private sector in the development of the economics and services of Hajj and Umrah. Journal of Economic, Administrative and Legal Sciences, New Mexico, United States, v. 8, n. 7, p. 38–60, 2024. DOI: 10.26389/AJSRP.H080723. Disponível em: https://ajsrp.ojsexpert.com/index.php/jeals/article/view/7732. Acesso em: 20 dec. 2025.