TY - BOOK AU - O'Brien,James A. AU - Marakas,George M. TI - Enterprise information systems SN - 007110710X AV - HF5548.2 O274E 2007 PY - 2007/// CY - Boston, Mass. PB - McGraw-Hill/Irwin KW - BUSINESS KW - DATA PROCESSING KW - MANAGEMENT KW - MANAGEMENT INFORMATION SYSTEMS KW - ELECTRONIC COMMERCE N1 - Includes bibliographical references and indexes ER -