TY - BOOK AU - O'Brien,James A. TI - Management information systems : : managing information technology in the business enterprise SN - 0256088551 AV - HF 5548.32 OBR PY - 2004/// CY - Boston PB - McGraw-Hill /Irwin KW - Electronic commerce KW - Information technology - management KW - Management information systems KW - Business - data processing N1 - Includes index ER -