Hanun, N. R., H. Fitriyah, D. Prapanca, and S. Ningrum. “Optimizing the Internal Audit Function of Muhammadiyah Higher Education: Optimalisasi Fungsi Internal Audit Perguruan Tinggi Muhammadiyah”. Procedia of Social Sciences and Humanities, Vol. 3, July 2022, pp. 1271-80, doi:10.21070/pssh.v3i.278.