TY - BOOK AU - O'Brien,James A. AU - Marakas,George M. TI - Introduction to information systems SN - 9780070167087 AV - HF5548.2 .O23 2005 PY - 2005/// CY - New York PB - McGraw-Hill Irwin KW - Business KW - Management KW - Management information systems KW - Electronic commerce ER -