GROUND NUT HUSK ASH (GHA) AS A PARTIAL REPLACEMENT OF CEMENT IN MORTAR. Nigerian Journal of Technology, [S. l.], v. 25, n. 2, p. 84–90, 2006. DOI: 10.4314/njt.252.539. Disponível em: https://nijotech.com/index.php/nijotech/article/view/539. Acesso em: 16 apr. 2026.