EID, Salah. The Difference Between Magnetism and Gravity. Advances in Social Sciences Research Journal, [S. l.], v. 7, n. 5, p. 412–429, 2020. DOI: 10.14738/assrj.75.8149. Disponível em: https://scholarpublishing.org/journals/index.php/ASSRJ/article/view/4080. Acesso em: 28 may. 2026.