HARMONICS: GENERATION AND SUPPRESSION IN AC. Nigerian Journal of Technology, [S. l.], v. 31, n. 3, p. 293–299, 2012. DOI: 10.4314/njt.313.556. Disponível em: https://nijotech.com/index.php/nijotech/article/view/556. Acesso em: 7 nov. 2025.