D. KHUDHUR, Athra’a; A. HADI, Khalid. Analytical Study for the Annual TEC Parameter Variations for the Solar Cycle 24 over Iraqi Zone. Iraqi Journal of Science, [S. l.], v. 56, n. 3C, p. 2694–2703, 2023. Disponível em: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/9647.. Acesso em: 8 dec. 2025.