Rezigalla, Assad, Ali Eleragi, Masoud Elkhalifa, and Ammar Mohammed. “Comparison Between students’ Perception and Examination Validity, Reliability and Items Difficulty: A Cross-Sectional Study : Student’s Perception towards Item Analysis”. Sudan Journal of Medical Sciences 15, no. 2 (June 25, 2020): 114–123. Accessed May 13, 2025. https://knepublishing.com/index.php/SJMS/article/view/5503.