M. Abdul-Jabbar A, مها, D. Mahmood R. On GP-InjectivityWith Some Types of Rings. EDUSJ [Internet]. 2007 Mar. 1 [cited 2025 Aug. 4];19(2):57-63. Available from: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/18079