JARAMILLO MACHACUA, H. R.; YOCTUN RIOS, R. R. Reliability of the ultrasonic pulse velocity for analysis and comparison of the compression strength of conventional concrete with addition of steel fiber and polypropylene. Gaceta Técnica, [S. l.], v. 24, n. 1, p. 2–21, 2023. DOI: 10.51372/gacetatecnica241.2. Disponível em: https://revistas2.uclave.org/index.php/gt/article/view/4380. Acesso em: 19 sep. 2024.