Ridhah, H., I. Hasnul, Rahmi Sarita, F. Fauziah, and Yenty Astarie Dewi. “Umrah and Hajj Fund Management Strategy in Indonesia”. ICIEFS Proceeding, vol. 2, no. 1, Nov. 2024, pp. 01-15, https://proceedings.uinbukittinggi.ac.id/index.php/iciefs/article/view/536.