PROTECTIVE RELAY STUDIES FOR THE NIGERIAN NATIONAL ELECTRIC 330 KV TRANSMISSION SYSTEM. Nigerian Journal of Technology, [S. l.], v. 9, n. 1, p. 39–54, 2002. DOI: 10.4314/njt.91.388. Disponível em: https://nijotech.com/index.php/nijotech/article/view/388. Acesso em: 16 apr. 2026.