D. Mahmood R, رائدة, M. Abdul-Jabbar A. On Rings Whose Simple Singular R-Modules Are Flat, I. RJCSM [Internet]. 2025 Jun. 25 [cited 2025 Aug. 3];7(1):51-7. Available from: https://rjps.uomosul.edu.iq/index.php/csmj/article/view/19572