A standard for auditing computer applications : auditing information services defects /

A standard for auditing computer applications : assessing the systems environment /

by Perry, William E.
Published 1996

A standard for auditing computer applications : auditing systems requirements /

by Perry, William E.
Published 1995

Using teams to improve the audit process /

by Perry, William E.
Published 1994

Reviewing IS general controls /

by Perry, William E.
Published 1992