Khudhur, Muhanad H., Monim H. Al-Jiboori, and Kamal M. Abood. “The Study of the Effect of Ionospheric Variables on the Astronomical Radio Signal”. Iraqi Journal of Science 65, no. 11 (November 30, 2024): 6753–6764. Accessed December 19, 2025. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/9463.