TY - BOOK AU - Luker, William A. AU - Martin, David A. AU - Wimberly Luker, Geneva Jo TI - Economics : for decision making SN - 0-669-14833-4 U1 - 330 L9546e 1988 PY - 1988/// CY - Lexington, Massachesetts PB - D.C. Heath and Company KW - Economía ER -