Farah, A. A. and Nur, H. M. (2023) “The Impact of Open-Book Testing Approach on the Achievement of EFL Sudanese Students at Tertiary Level”, Journal of Faculty of Education, 18. Available at: http://onlinejournals.uofk.edu/index.php/JFE/article/view/1409 (Accessed: 3 April 2025).