VARIATION OF HARMONICS EMISSION FROM MODERN LAMPS IN A POWER SUPPLY NETWORK. Journal of Engineering Studies and Research, [S. l.], v. 25, n. 4, p. 29–36, 2019. DOI: 10.29081/jesr.v25i4.21. Disponível em: https://jesr.ub.ro/journal/article/view/21. Acesso em: 13 sep. 2025.