N. R. . Hanun, H. . Fitriyah, D. . Prapanca, and S. . Ningrum, “Optimizing the Internal Audit Function of Muhammadiyah Higher Education: Optimalisasi Fungsi Internal Audit Perguruan Tinggi Muhammadiyah”, pssh, vol. 3, pp. 1271–1280, Jul. 2022.