Farah Amer, Qasim Mohammed Hussein, and Mohammed Sahib Mahdi Altaei. “Retrieving E-Learning Document Using Encrypted Semantic Words”. Journal of Madenat Alelem University College 14, no. 3 (September 30, 2022): 17-23. Accessed January 23, 2026. http://116.203.176.164/index.php/JMAUC/article/view/454.