Matondang, Firman, and Rahmat Hidayat. “Legal Analysis of Online Selling and Buying During Friday Sermons Perspective of The Syafi’i Mazhab”. Indonesian Journal of Humanities and Social Sciences 5, no. 2 (June 24, 2024): 873–882. Accessed February 1, 2026. https://ejournal.uit-lirboyo.ac.id/index.php/IJHSS/article/view/5636.