STANCEY C SAWYER; BRIAN K WILLIAMS; SARAH E HUTCHINSON USING INFORMATION TECHNOLOGY: A PRACTICAL INTRODUCTION TO COMPUTERS AND COMMUNICATIONS - 3 - MCGRAW HILL BOOK COMPANY 1999 - 345 ISBN: 0071168990 Subjects--Topical Terms: COMPUTER SCIENCE INFORMATION TECHNOLOGY Dewey Class. No.: 004 / STA