Suyoto Arief, Erika Rishan Adillah, and A. . Nurfattah. “Ijarah Application in Shari’ah Mutual Funds”. Proceedings of Femfest International Conference on Economics, Management, and Business, vol. 1, Mar. 2023, pp. 636-47, https://ejournal.unida.gontor.ac.id/index.php/FICCOMSS/article/view/10897.