“Indikasi Gharar Dalam Janji Dan Akad Pada Bisnis Travel Umrah (Analisa Fiqih Muamalah) ”. J-Mabisya: Journal of Islamic Business and Management 3, no. 1 (June 30, 2022): 37–44. Accessed September 2, 2026. https://jurnal.stain-madina.ac.id/index.php/j-mabisya/article/view/859.