Aisyah, S., , K, K. and Jannah, N. (2023) “The The Influence of the Internal Auditor’s Performance on the Effectiveness of the Internal Control System: Empirical Study at Islamic College in Medan”, Edumaspul: Jurnal Pendidikan, 7(1), pp. 1843-1857. doi: 10.33487/edumaspul.v7i1.6436.