Strength and Stiffness of a Geopolymer-treated Clayey Soil for Unpaved Roads. Iraqi Journal of Civil Engineering, [S. l.], v. 15, n. 1, p. 1–9, 2021. DOI: 10.37650/ijce.2021.172850. Disponível em: https://ijce.journalpath.com/ijce/article/view/219. Acesso em: 28 jun. 2025.