Pratama, Dinar. “ANALYSIS OF CLASICAL TEST THEORY (CTT) APPROCH ON ACADEMIC ABILITY TEST INSTRUMENT”. JISAE: Journal of Indonesian Student Assessment and Evaluation 5, no. 2 (November 11, 2020): 43 - 54. Accessed August 5, 2025. http://103.8.12.212:33180/unj/index.php/jisae/article/view/12701.