Adedoyin, O.O, and T Mokobi. “Using IRT Psychometric Analysis in Examining The Quality of Junior Certificate Mathematics Multiple Choice Examination Test Items”. International Journal of Asian Social Science 3, no. 4 (April 15, 2013): 992–1011. Accessed November 22, 2024. https://archive.aessweb.com/index.php/5007/article/view/2471.