DRAVILLAS, Paul - STIWELL, Steven - WILLIAMS, Brian K. Power Pack for the IBM PC : A Poweful Learning Tool for World Processing, Spreadsheet, and Database Applications in one Package. 1. ed. St. Louis : Times Mirror/Mosby College Pub., 1986. 481 s. ISBN 0-8016-1451-1. [Copy count : 3, currently available 3, at library only 0]