FEDORCENCO G.S.; FEDORCENCO S.G. Classification of States of Power Systems. Global Journals of Research in Engineering, [S. l.], v. 21, n. F4, p. 1–4, 2021. Disponível em: https://engineeringresearch.org/index.php/GJRE/article/view/2164. Acesso em: 29 mar. 2024.