| title | ISBN-13 | year of publication |
|---|---|---|
| An Informix-4Gl Tutorial | 978-0-13-464173-7 | 1990 |
| Powerbuilder: Building Client Server Applications/Book and Disk | 978-0-13-179300-2 | 1995 |
| Relational Databases and SQL | 978-0-13-772310-2 | 1993 |
| Three Tier Client Server Systems | 978-0-13-230590-7 | 2001 |
| VoIP Telephony with Asterisk | 978-0-9759992-0-2 | 2004 |
| VoIP Telephony with Asterisk: A systematic Approach to Learning the Open Source PBX | 978-0-9759992-2-6 | 2005 |
| VoIP Telephony with Asterisk Book & Installation CD | 978-0-9759992-1-9 | 2004 |