Diponegoro, Ahmad Muhammad, Yuzarion Yuzarion, and Widiarti Widiarti. “The Development Of Character Achievement Test For Islamic University Students”. International Journal of Educational Management and Innovation 3, no. 1 (January 31, 2022): 45–58. Accessed May 9, 2024. http://journal2.uad.ac.id/index.php/ijemi/article/view/4987.