Dedek Syahputra, Indo Santalia, and Hamiruddin. “Methods and Strategies of Preaching by Ustadz Abdul Somad Through Social Media YouTube”. Jurnal Mercusuar, Vol. 4, no. 2, Aug. 2023, pp. 187-98, https://journal3.uin-alauddin.ac.id/index.php/mercusuar/article/view/46035.