UGWUANYI, B. A.; EBULUM, G. C. . APPLICATION OF ITEM RESPONSE THEORY ON DEVELOPMENT OF ACHIEMENT TEST IN SECONDARY SCHOOL ECNONMICS IN ENUGU EDUCATIONAL ZONE, ENUGU, NIGERIA. British International Journal of Education and Social Sciences, [S. l.], v. 7, n. 11, p. 18–25, 2020. Disponível em: https://cirdjournals.com/index.php/bijess/article/view/207. Acesso em: 18 apr. 2026.