Zaragoza Grife, J. N., R. G. Solis Carcaño, and J. A. Gonzalez Fajardo. “Design and Development of Software for Optimal Material Cost Estimating on Aluminum Works”. Revista De La Construcción. Journal of Construction, vol. 13, no. 3, Dec. 2014, pp. 45-53, https://revistahistoria.uc.cl/index.php/RDLC/article/view/13506.