TY - BOOK AU - O'Sullivan,Arthur AU - Sheffrin,Steven M. TI - Economía: principios e instrumentos SN - 8420539090 U1 - 330 21 PY - 2004/// CY - Madrid, White Plains PB - Pearson/Prentice Hall KW - Economics KW - Local N1 - ESTE LIBRO INCLUYE UN DISCO; A variety of multi-medial instructional resources, including a web site, is available to supplement the text; Includes bibliographical references and index ER -