W. Hasan, “Modules With Chain Conditions On δ -Small Submodules”, Iraqi Journal of Science, vol. 55, no. 1, pp. 218–223, Dec. 2023, Accessed: Dec. 09, 2025. [Online]. Available: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11946