Effect of small disturbances on Inter-connected system. International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 1, n. 3, p. 86–90, 2014. Disponível em: https://www.ijaerd.org/index.php/IJAERD/article/view/5338. Acesso em: 8 sep. 2025.