Perry, William E.

Cleaning Up a Computer Mess: a guide to diagnosing and correcting computer problems Perry, William E. 1986 EDP, controls and auditing Porter, W. Thomas 1984 EDP, controls and auditing Porter, W. Thomas 1977 Effective methods for software testing Perry, William E. 2006 Effective methods for software testing "Perry, William E." 2006 Effective methods for software testing Perry, William E. 2006 Effective methods for software testing Includes index Perry, William E 2006 Handbook of diagnosing and solving computer problems Perry, William E. 1989 Installing a personal computer system Perry, William E. 1984 Managing systems maintenance Perry, William E. 1981 The accountants' guide to computer systems Perry, William E. 1982