Relation between Coronal Mass Ejections and Sunspot Number during Solar Cycle 24. Iraqi Journal of Science, [S. l.], v. 60, n. 8, p. 1860–1867, 2019. DOI: 10.24996/ijs.2019.60.8.23. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/921.. Acesso em: 7 jul. 2024.