Gul, N., Shagufta, S. and Parveen, S. (2022) “Item Difficulty in Item Analysis of Intelligence Test Items”, Pakistan Social Sciences Review. Gujranwala, Pakistan, 6(2), pp. 97–108. Available at: https://ojs.pssr.org.pk/journal/article/view/117 (Accessed: 4 May 2024).