MUHSIN THAHA, Muzakkir; AL HASAN, Rifanida Zakiyatulhaq. Unsur Gharar dalam Penukaran Kupon yang Diperoleh di Wahana Permainan. Al Barakat: Jurnal Kajian Hukum Ekonomi syariah, [S. l.], v. 4, n. 01, p. 37–47, 2024. DOI: 10.59270/jab.v4i01.232. Disponível em: https://journal.stishusnulkhotimah.ac.id/index.php/al-barakat/article/view/232. Acesso em: 23 may. 2026.