Kedudukan fatwa Dewan Syariah Nasional dalam sistem hukum nasional di Indonesia =The Existence of Fatwa of National Board of Syariah on National Legal System in Indonesia Yeni Salma Barlinti; Satya Arinanto, promotor; Rifyal Ka`bah, co-promotor; Harkristuti Harkrisnowo, examiner; Uswatun Hasanah, examiner; Fathurrahman Djamil, examiner; Atho` Mudzhar, examiner; Jufrina Rizal, examiner (Univers…