Torres-Machi, C., A. Chamorro, V. Yepes, and E. Pellicer. “Current Models and Practices of Economic and Environmental Evaluation for Sustainable Network-Level Pavement Management”. Revista De La Construcción. Journal of Construction, vol. 13, no. 2, Aug. 2014, pp. 49-56, https://revistadelaconstruccion.uc.cl/index.php/RDLC/article/view/13542.