OLUTOLA AT, IHECHU KJP, NURADDEEN YG. Assessment of Differential Item Functioning of Basic Education Certificate Examination Mathematics Multiple Choice Items. IJE [Internet]. 2023 Apr. 24 [cited 2025 Jan. 15];42(1):88-94. Available from: https://ije.unilorinedu.sch.ng/index.php/ije/article/view/57