D. Mahmood, R., رائدة, D. A. Hadid, and دینا. “On Simple Singular N-Flat Modules”. AL-Rafidain Journal of Computer Sciences and Mathematics, vol. 10, no. 3, June 2025, pp. 13-20, https://ojs.uomosul.edu.iq/index.php/csmj/article/view/19662.