KAKU ZAKKA; NKECHI P.M. ESOMONU; COMFORT KWATAMBIA OLAMIDE. Development and Preliminary Validation of Difficulty Index, Discrimination and Distractor of Measurement and Evaluation Proficiency Test for Undergraduate Students. African Journal of Education,Science and Technology (AJEST), [S. l.], v. 8, n. 4, p. 228–242, 2026. Disponível em: https://ajest.org/index.php/ajest/article/view/1036. Acesso em: 24 sep. 2026.