MCGRAW JR., D. . The Origin Of Electric Charge And Its Relation To Closed And Open Strings In The Early Universe. JOURNAL OF ADVANCES IN PHYSICS, [S. l.], v. 23, p. 1–8, 2025. DOI: 10.24297/jap.v23i.9700. Disponível em: https://rajpub.com/index.php/jap/article/view/9700. Acesso em: 3 mar. 2025.