STANCEY C SAWYER; BRIAN K WILLIAMS; SARAH E HUTCHINSON USING INFORMATION TECHNOLOGY: A PRACTICAL INTRODUCTION TO COMPUTERS AND COMMUNICATIONS - 2 - MCGRAW HILL BOOK COMPANY 1997 - 330 ISBN: 0256209804 Subjects--Topical Terms: COMPUTER SCIENCE INFORMATION TECHNOLOGY Dewey Class. No.: 004 / STA