MICROSTRUCTURAL CHARACTERISATION, PHYSICAL AND CHEMICAL PROPERTIES OF RICE HUSK ASH AS VIABLE POZZOLAN IN BUILDING MATERIAL: A CASE STUDY OF SOME NIGERIAN GROWN RICE VARIETIES. Nigerian Journal of Technology, [S. l.], v. 37, n. 1, p. 71–77, 2017. DOI: 10.4314/njt.371.1579. Disponível em: https://mail.nijotech.com/index.php/nijotech/article/view/1579. Acesso em: 19 apr. 2026.