Electronic Structure of Chemical Elements Described by the Characteristic Graph of the Atom. Global Journal of Science Frontier Research, [S. l.], v. 23, n. B1, p. 57–63, 2023. Disponível em: https://testing.journalofscience.org/index.php/GJSFR/article/view/102661. Acesso em: 4 feb. 2026.