OKAGBARE, Freedom, P. A.U. Ossai, & Publishing, P. U. O. (2023). ASSESSMENT OF DIFFERENTIAL ITEM FUNCTIONING IN PHYSICS MULTIPLE CHOICE USED BY WAEC AMONG SENIOR SECONDARY SCHOOL STUDENTS IN DELTA STATE. West African Journal of Interdisciplinary Research, 1(2), 1-20. https://www.openjournals.ijaar.org/index.php/wajir/article/view/32