Surahman Hidayat, AA Hubur, and Najamudin Najamudin. “Pengembangan Hotel Syariah Di Indonesia: Tantangan Yang Dihadapi Hotel Sofyan - Jakarta”. CEMERLANG : Jurnal Manajemen dan Ekonomi Bisnis 2, no. 2 (May 30, 2022): 304–319. Accessed February 28, 2026. https://prin.or.id/index.php/cemerlang/article/view/3520.