Pellicer, Eugenio, Víctor Yepes, Christian Correa, and Germán Martínez. 2008. “Enhancing R&D&i through Standardization and Certification: The Case of the Spanish Construction Industry”. Revista Ingeniería De Construcción 23 (2):112-21. https://doi.org/10.4067/S0718-50732008000200006.