TY - BOOK AU - O'Sullivan,Arthur AU - Sheffrin,Steven M. TI - Microeconomics: principles and tools : activebook SN - 0130471321 AV - HB172 O884M 2003 PY - 2003/// CY - Upper Saddle River, N.J. PB - Prentice Hall KW - MICROECONOMICS N1 - Includes access code to "online component of the acitvebook experience"; Includes bibliographical references and index ER -