DESIGN AND IMPLEMENTATION OF GSM BASED TRANSFORMER PHASE MONITORING SYSTEM. Nigerian Journal of Technology, [S. l.], v. 33, n. 3, p. 331–336, 2014. DOI: 10.4314/njt.333.819. Disponível em: https://www.nijotech.com/index.php/nijotech/article/view/819. Acesso em: 19 apr. 2026.