Madueke, U. O. and Casmir, N. E. (2022) “DIFFERENTIAL ITEM FUNCTIONING OF WAEC SENIOR SECONDARY CERTIFICATE EXAMINATION BIOLOGY MULTIPLE CHOICE ITEMS ”, British International Journal of Education and Social Sciences, 9(6), pp. 31–48. Available at: https://cirdjournals.com/index.php/bijess/article/view/752 (Accessed: 9 May 2026).