N J ALZAIDY, Mohammed. Effect of gypsum content on unsaturated engineering properties of clayey soil. International Journal of Engineering & Technology, [S. l.], v. 9, n. 1, p. 84–91, 2020. DOI: 10.14419/ijet.v9i1.30139. Disponível em: https://www.sciencepubco.com/index.php/ijet/article/view/30139.. Acesso em: 5 may. 2024.