“Comparison of Ionospheric Total Electron Content Measurements with IRI- 2012 Model Predictions Over Athens”, Iraqi Journal of Science, vol. 56, no. 1A, pp. 246–256, Jul. 2023, Accessed: Dec. 20, 2024. [Online]. Available: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/10721