INVESTIGATION OF CARBON NANO TUBE EFFECT ON SUBGRADE SOIL PROPERTIES. Nigerian Journal of Technology, [S. l.], v. 45, n. 1, 2026. DOI: 10.4314/njt.2026.5201. Disponível em: https://www.nijotech.com/index.php/nijotech/article/view/5201. Acesso em: 30 jan. 2026.