The Impact of Geomagnetic Storms on the Ionospheric Critical Frequency in the Northern and Southern Mid-Latitude Hemisphere Regions. Iraqi Journal of Science [Internet]. 2024 Nov. 15 [cited 2024 Nov. 16];65(10(SI):5999-6013. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11221