Ekele B, Obinne ADE, Adulojo MO, Onuh O. Language-Based Differential Item Functioning in 2021-2022 NECO Chemistry Exams in North Central Nigeria. JRSME [Internet]. 2024 Dec. 13 [cited 2025 Jun. 27];3(3):142-53. Available from: https://journals.eduped.org/index.php/jrsme/article/view/1135