@book{24208, author = {Sapag Chain, Nassir}, title = {Proyectos de inversión : }, publisher = {Pearson Educación, }, year = {2011}, address = {Santiago de Chile : }, edition = {2a. ed.}, url = {http://daltonorellana.info/wp-content/uploads/sites/436/2014/08/Proyectos_de_Inversion_Nassir_Sapag_Chain_2Edic.pdf} }