Orozco, M., Y. Avila, S. Restrepo, and A. Parody. “Factors Influencing Concrete Quality: A Survey to the Principal Actors of the Concrete Industry”. Revista Ingeniería de Construcción 33, no. 2 (August 31, 2018): 161–172. Accessed January 27, 2025. https://revistadelaconstruccion.uc.cl/index.php/ric/article/view/18555.