Investigating the Accuracy of IRI Model for the Ionospheric TEC parameter during Strong, Severe and Great Geomagnetic Storms from 2000-2013. Iraqi Journal of Science [Internet]. 2023 Mar. 30 [cited 2024 Nov. 22];57(3A):2075-9. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/9964