WILLIAMS,Brian K. Using Information Technology: a Practical Introduction to Computers $Communications: Complete Virsion Brian K. Williams and Stacey C. Sawyer - 6th - New -York McGraw Hill 2005 - xxiii;472p ill. 29cm Includes Index ISBN: 0-07-2888293-x Subjects--Topical Terms: LC Class. No.: 004 / 22 Dewey Class. No.: 004 / 22