“UNDERGROUND CABLE FAULT DISTANCE LOCATOR USING MICROCONTROLLER WITH GSM”. International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 3, n. 7, p. 116–123, 2016. Disponível em: https://ijaerd.org/index.php/IJAERD/article/view/1549. Acesso em: 29 jul. 2025.