Experimental Investigation of Square Footing Resting on Sand over Gypseous Soils. Tikrit Journal of Engineering Sciences, [S. l.], v. 27, n. 1, p. 30–39, 2020. DOI: 10.25130/tjes.27.1.05. Disponível em: https://www.tj-es.com/ojs/index.php/tjes/article/view/139.. Acesso em: 10 sep. 2026.