Hamadneh, Iyad, and Wael Al-Shurman. “The Differences in Item Difficulty Parameter Estimations for Simulated Data Having (MC1- PL) Model in Item Response Theory”. Tishreen University Journal- Arts and Humanities Sciences Series 37, no. 6 (September 26, 2016). Accessed May 13, 2024. https://journal.tishreen.edu.sy/index.php/humlitr/article/view/2000.