S. Al-Mothafar, Nuhad, and Munther T. Mohammed. “On δ-Small M-Projective Modules”. Iraqi Journal of Science 55, no. 4hB (May 30, 2025): 1935–1941. Accessed December 6, 2025. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11328.