Akbar, Reza Oktiana. “Comparative Analysis of Question Item Parameters and Students’ Ability Between Dichotomy and Polytomic Score Versions; Research on Mathematics National Exam Test Participants”. International Journal of Education and Humanities 1, no. 4 (December 28, 2021): 171–180. Accessed October 3, 2026. https://i-jeh.com/index.php/ijeh/article/view/29.