Parker, Charles S., <br/><br/>
Productivity software guide /  
Charles S. Parker. 
 - 3rd ed. 
 - Chicago :  Dryden Press,  c1991. 
 - 1 v. (various pagings) :  ill. ;  26 cm. 
 - The Dryden Press series in information systems .
<br/><br/>Disk Operating System, Word Processing with Word Prefect 4.2,5.0 and5.1, Spreadsheets with Loyus1-2-3 and Joe Spreadsheet, Database Managements with dBASE iii Plus, Database Management with dBASE iv Virsion 1.1. 
<br/><br/><label>ISBN: </label>0030549930 (without software) 0030549949 (IBM 5 1/4") 0030549973 (IBM 3 1/2") 
<br/><br/><label>LCCN: </label>90003976 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer software.
<br/><br/><label>Dewey Class. No.: </label>005.36,PAR