HONG, Seonguk; KIM, Jonghyun; KIM, Seunghun. Defect Estimation of Steel Fiber Reinforced Concrete Members Using the Impact Echo Method. International Journal of Engineering & Technology, [S. l.], v. 8, n. 1.4, p. 175–182, 2019. DOI: 10.14419/ijet.v8i1.4.25144. Disponível em: https://www.sciencepubco.com/index.php/ijet/article/view/25144.. Acesso em: 27 apr. 2024.