M.Yaseen, Sahira, and Mustafa Mamoon Tawfeek. “Supplement Extending Modules”. Iraqi Journal of Science 56, no. 3B (March 30, 2023): 2341–2345. Accessed January 3, 2026. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/9777.