Siagian, A. H.; Kodiyat MS, B. A.; Andryan, A. The Development of Muhammadiyah Ideology Dar Al-Ahdi Wa Al-Shahadah in Pancasila Course, Law Study Program, Faculty of Law, Universitas Muhammadiyah Sumatera Utara. Rand. Inter. Social Sci. J. 2021, 2, 516-523.