KOMAL NAGARE3, M. L. P. S. S. AUTOMATIC PHASE CHANGER USING MICRO-CONTROLLER 89C52. International Journal of Engineering Technology and Computer Research, [S. l.], v. 4, n. 2, 2016. Disponível em: https://ijetcr.org/index.php/ijetcr/article/view/308. Acesso em: 4 aug. 2026.