Zaragoza Grife, Jesus Nicolas, Romel Gilberto Solis Carcaño, and Jose Antonio Gonzalez Fajardo. 2014. “Design and Development of Software for Optimal Material Cost Estimating on Aluminum Works”. Revista De La Construcción. Journal of Construction 13 (3):45-53. https://revistaingenieriaconstruccion.uc.cl/index.php/RDLC/article/view/13506.