Hassan, Norhaslinda, and Ainol Madziah Zubairi. “Validation of a Learning Outcome Survey (WOLOS) Using the Rasch Model: An Implication on Washback Study”. IIUM Journal of Educational Studies 9, no. 2 (June 27, 2021): 141–156. Accessed May 8, 2024. https://journals.iium.edu.my/ijes/index.php/iejs/article/view/337.