ASHRAF, M. M.; ULLAH, M. O.; MALIK, T. N.; WAQAS, A. B.; IQBAL, M.; SIDDIQ, F. Robust Extraction of Harmonics using Heuristic Advanced Gravitational Search Algorithm-based Least Square Estimator. The Nucleus, [S. l.], v. 54, n. 4, p. 219–231, 2018. Disponível em: http://thenucleuspak.org.pk/index.php/Nucleus/article/view/273. Acesso em: 5 may. 2024.