1.
Essential Introduction To Computers And How To Purchase A Personal Computer
by Shelly, Gary B., Cashman, T...
ISBN: 9780619254896
List Price: $23.95
2.
Essential Introduction to Computers
by Shelly, Gary B., Cashman, T...
ISBN: 9780619200787
List Price: $12.95
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Essential Introduction to Computers and How to Purchase, Install, and Maintain a Personal Co...
by Shelly, Gary B., Cashman, T...
ISBN: 9780789563255
List Price: $12.95