ILIYA, A. ITEM PARAMETERS, SCORING MODELS AND ABILITY ESTIMATES OF DISTANCE EDUCATION STUDENTS: IMPLICATIONS FOR THE NATIONAL OPEN UNIVERSITY OF NIGERIA. Sokoto Educational Review, [S. l.], v. 23, n. 1, p. 162–172, 2024. Disponível em: http://sokedureview.org/index.php/SER/article/view/521. Acesso em: 18 dec. 2024.