Aituariagbon KE, Osarumwense HJ. Non-parametric Method of Detecting Differential Item Functioning in Senior School Certificate Examination (SSCE) 2019 Economics Multiple Choice Items. KJE [Internet]. 2022 Jun. 16 [cited 2026 Mar. 15];3(1):146-58. Available from: https://journals.fukashere.edu.ng/index.php/kje/article/view/986