Wahyudin, and D. Setiadi. “The Concept of ‘Mursalah Issues’ in Life of The State According to Islamic Law (NU and Muhammadiyah Perspective)”. LEGAL BRIEF, vol. 10, no. 2, May 2021, pp. 239-44, https://legal.isha.or.id/index.php/legal/article/view/54.