Using GPR Technique Assessment for Study the Sub-Grade of Asphalt andConcrete Conditions. Iraqi Journal of Science, [S. l.], v. 54, n. 3, 2025. DOI: 10.24996/ijs.2013.54.3.%g. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/15353.. Acesso em: 29 mar. 2025.