00403cam a2200169   450000500170000024500340001702000150005110000310006604400130009725000090011004100080011930000240012750000050015183000050015626000540016108200180021520260711133912.0  aInvestigación de mercadosb  a9684224869  aAaker, DavidDay, George S.  aMéxico  a3ª   aspa  a715 p. il.; 24 cm.   a  v  aMéxico D.F.bMcGraw-Hill / Interamericanac1989  a658.83bA111i