AN, V. V. T. The assessment of concrete quality by ultrasonic pulse velocity. Journal of Science and Technology in Civil Engineering (JSTCE) - HUCE, [S. l.], v. 12, n. 5, p. 20–27, 2018. DOI: 10.31814/stce.nuce2018-12(5)-03. Disponível em: https://stce.vjst.net/index.php/en/article/view/1242. Acesso em: 18 sep. 2026.