A. ALOBAYDE, M.; A. MOHAMMED ALI, I. Quarks as Black holes. Rafidain Journal of Science, [S. l.], v. 24, n. 7, p. 88–94, 2013. DOI: 10.33899/rjs.2013.77820. Disponível em: https://jamh.uomosul.edu.iq/index.php/rsci/article/view/47509. Acesso em: 28 sep. 2025.