Study Effect of Adding Expanded Polystyrene as A Percentage of Cement Weight on The Properties of Concrete Mixture in Construction. Sebha University Conference Proceedings, [S. l.], v. 4, n. 1, p. 157–160, 2025. DOI: 10.51984/sucp.v4i1.3972. Disponível em: https://sebhau.edu.ly/journal/sucp/article/view/3972. Acesso em: 22 feb. 2026.