AL– Khafajy, Dheia, and Afraa Sadek. “On D- Compact Topological Groups”. Iraqi Journal of Science 54, no. 3. Mathematics conf (February 13, 2024): 842–846. Accessed December 15, 2025. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/12501.