QUY, V. N.; DAO, T. T.; TRUNG, H. T. A Non-destructive Radar Device for Detecting Additive Materials in Concrete. Engineering, Technology & Applied Science Research, Greece, v. 13, n. 3, p. 10969–10972, 2023. DOI: 10.48084/etasr.5900. Disponível em: https://etasr.com/index.php/ETASR/article/view/5900. Acesso em: 17 jul. 2024.