MANYA ORELLANA, MARLON TAX ECUADOR - 2A ED. - Ecuador GRIDE 2011 GUAYAQUIL - 694 Contiene índice ISBN: 9789942035103 LCCN: 76818 Subjects--Topical Terms: ADUANAS-ECUADORCODIGO TRIBUTARIORENTASVALOR AGREGADO Dewey Class. No.: 336.2