INSTABILIDAD, FRECUENCIA Y VOLTAJE EN MANAUS. ITEGAM-JETIA, [S. l.], v. 6, n. 21, p. 13–19, 2020. Disponível em: https://itegam-jetia.org/journal/index.php/jetia/article/view/619. Acesso em: 23 oct. 2026.