Characterization of the Geotechnical Properties of Expansive Soil Improved by Sludge Waste. Journal of Engineering, [S. l.], v. 29, n. 09, p. 89–101, 2023. DOI: 10.31026/j.eng.2023.09.07. Disponível em: https://joe.uobaghdad.edu.iq/index.php/main/article/view/1867. Acesso em: 29 mar. 2025.