Abbas, Mehdi Sadiq, and Mahdi SalehNayef. “PSEUDO-RC-INJECTIVE MODULES”. JOURNAL OF ADVANCES IN MATHEMATICS 11, no. 4 (October 2, 2015): 5189–5194. Accessed May 18, 2024. https://rajpub.com/index.php/jam/article/view/11-4-1264.