00495nam a22001937a 4500 11355 11355 004721 OSt 20260113143146.0 140422b xxu||||| |||| 00| 0 eng d 0-333-45641-6 eng DLC QA76.5 H654 1992 30 Wright, Graham Mastering Computers Graham Wright 3rd ed london macmillan education publishers 1988 30 Wright, Graham lcc BOOK