00337cam a2200169 450000500170000024500420001702000050005910000540006404400050011825000050012304100080012830000050013650000050014183000050014626000090015108200070016020260711133852.0 aIngeniería económica de DeGarmob a aSullivan, William G.Wicks, Elin MLuxhoj, James T. a a aspa a a v abc ab