K. ZEKI, M.; محمد; J. ABDUL-KAHADER, A.; نزيهة; A. DAOUD, N. Density Law of Spiral Galaxy Relative to Rotation Curves. Rafidain Journal of Science, [S. l.], v. 20, n. 6, p. 90–96, 2025. DOI: 10.33899/rjs.2009.40006. Disponível em: https://ojs.uomosul.edu.iq/index.php/rsci/article/view/11661. Acesso em: 9 aug. 2025.