-, .-., and محمد. “Idempotent Reflexive Rings Whose Every Simle Singular Right Module Are Yj-Injective”. IRAQI JOURNAL OF STATISTICAL SCIENCES, vol. 11, no. 2, June 2025, pp. 146-54, https://rjps.uomosul.edu.iq/index.php/stats/article/view/20941.