Using information technology : a practical introduction to computers & communications /
Brian K. Williams, Stacey C. Sawyer and Sarah E. Hutchinson.
- Third edition.
- New York : Irwin McGraw-Hill, 1999.
- xxx, 610 pages : colored, illus. ; 26 cm
Includes indexes.
0-256-26146-6
Computers. Telecommunications systems. Information technology.