Khoirunnisa S, Widodo E. APPLICATION OF PERFORMANCE ASSESSMENT WITH METHOD DIFFICULTY LEVEL, DISTINGUISHING POWER, DISTRACTOR EFFECTIVENESS, AND ANOVA (Case Study: Paper Based Test (PBT) Period 2 Questions 2020–2021 Islamic University of Indonesia). BAREKENG: J. Math. & App. [Internet]. 1Jun.2022 [cited 5May2024];16(2):539-50. Available from: https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/5196