BLENDING OF NSU AND IBEKU CLAYS: A SOLUTION TOWARDS THE REPLACEMENT OF GP 107-3 REFRACTORY BRICK IN THE METALLURGICAL INDUSTRY. Nigerian Journal of Technology, [S. l.], v. 30, n. 2, p. 67–72, 2009. DOI: 10.4314/njt.302.29. Disponível em: https://mail.nijotech.com/index.php/nijotech/article/view/29. Acesso em: 19 apr. 2026.