Vergara Guillén, L.E., Nerey Carvajal, L.M. y Guédez Torcates, V.M. 1. Characterization of anodizing process on aluminum Al3003 and Al6063 using the multifactorial analysis and robust design techniques. Rev. Téc. Fac. Ing. Univ. Zulia. 35, 3 (1).