Introduction to information systems in business management

Autor: O'Brien, James A., 1936-
Rok: 1991

PC software workbook : a tutorial introduction to the PC and DOS, PC-write, PC-calc+, PC-file+

Autor: O'Brien, James A., 1936-, Durham, John W.
Rok: 1989

Information systems in business management with software and Basic tutorials

Autor: O'Brien, James A., 1936-
Rok: 1988

Study guide for use with Information systems in business management with software and BASIC tutorials [by] O'Brien, fifth edition

Autor: Morgan, James, O'Brien, James A., 1936-
Rok: 1988