LIU, Cheng. Electrical Power Quality, Availability, and Energy Efficiency. Engineering And Technology Journal, [S. l.], v. 8, n. 6, p. 2311–2315, 2023. DOI: 10.47191/etj/v8i6.02. Disponível em: https://everant.org/index.php/etj/article/view/929. Acesso em: 4 dec. 2024.