Hakim, A., A. Sani, I. Arabi, and S. El-Azkia Rumisa. “Literature Review: Impact and Implications of Involvement Ulama’s Involvement in the Business World”. ProBisnis : Jurnal Manajemen, vol. 15, no. 5, Oct. 2024, pp. 751-7, https://ejournal.joninstitute.org/index.php/ProBisnis/article/view/670.