A., Dua’a K., and M. N. Al Najm. “Investigation of the Characteristics of CO (1-0) Line Integrated Emission Intensity in Extragalactic Spirals”. Iraqi Journal of Science 63, no. 3 (March 30, 2022): 1376–1393. Accessed January 8, 2026. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/4495.