Kasem Maher Ahmed, Omar Muayad Abdullah. Applying Collaborative Filtering in E-Marketing Systems. J. Al-Qadisiyah Comp. Sci. Math. [Internet]. 2026 Mar. 30 [cited 2026 Mar. 30];18(1):Comp 380–388. Available from: https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/2391