00450nam a2200145Ia 4500008004100000020002800041040002600069082001400095100004200109245008900151250001200240260003100252003000400283005001700287241127s9999||||xx |||||||||||||| ||und||  a9780071151047c51.851.8  bengcSSK Libraryerda  a004.6/SAW  a Stacey C. Sawyer & Brian K. Williams 0aUsing Information Technology: A Practical Introduction To Computers & Communications  a5th ed.  b Mcgraw Hill/Irwinc©2003OSt20241127152738.0