GUL, N.; SHAGUFTA, S.; PARVEEN, S. Item Difficulty in Item Analysis of Intelligence Test Items. Pakistan Social Sciences Review, Gujranwala, Pakistan, v. 6, n. 2, p. 97–108, 2022. Disponível em: https://ojs.pssr.org.pk/journal/article/view/117. Acesso em: 24 feb. 2024.