JWAD KADHIM, Ruqaia. Development of a machine learning-based online test system with a hierarchical structure for students. Journal of Al-Qadisiyah for Computer Science and Mathematics, [S. l.], v. 18, n. 2, p. Comp 114–123, 2026. DOI: 10.29304/jqcsm.2026.18.22844. Disponível em: https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/2844. Acesso em: 26 jun. 2026.