TY - BOOK AU - O'Brien,James A. TI - Management information systems : a managerial end user perspective SN - 02561034610256108307 U1 - 658.4038 19 PY - 1993/// CY - Burr Ridge,Ill. PB - Irwin KW - Management information systems KW - Spines KW - Information systems; Information technology; Business; Management N2 - Business ER -