Ahmed , Ferman A., and Abdullah M. Abdul-Jabbar. “On Np-Injective Rings and Modules”. International Journal of Membrane Science and Technology 10, no. 3 (June 13, 2023): 3149-3159. Accessed July 3, 2024. https://cosmosscholars.com/phms/index.php/ijmst/article/view/3110.