Sagols Sales, Lizbeth Margarita Etica Y Valores 2 / Lizbeth Margarita Sagols Sales ..et al - México : Mc Graw-Hill 2006 - 283 p. / 18 cm. ISBN: 970-10-5559-4 Subjects--Topical Terms: Etica LC Class. No.: BJ66 S35 2006 Dewey Class. No.: 170 L925e 2006