O'Brien, James A

[NT 60487] Overview

[NT 60478] Works:	1 [NT 60520] works in 1 [NT 60521] publications in 1 [NT 60522] languages

[NT 60480] Titles

Introduction to information systems [NT 59711] by: O'Brien, James A ([NT 1579] Language materials, printed)

[NT 60479] Subjects