GEBRETSADIK, B.; JADIDI, K.; FARHANGI, V.; KARAKOUZIAN, M. Application of Ultrasonic Measurements for the Evaluation of Steel Fiber Reinforced Concrete. Engineering, Technology & Applied Science Research, Greece, v. 11, n. 1, p. 6662–6667, 2021. DOI: 10.48084/etasr.3915. Disponível em: https://www.etasr.com/index.php/ETASR/article/view/3915. Acesso em: 24 may. 2022.