Evaluate Brick Units by Ultrasonic Waves. Tikrit Journal of Engineering Sciences, [S. l.], v. 12, n. 3, p. 36–67, 2005. DOI: 10.25130/tjes.12.3.09. Disponível em: https://tj-es.com/ojs/index.php/tjes/article/view/760.. Acesso em: 9 sep. 2026.