Ageloff, Roy. <br/><br/>
Micro computer applications for business :  DOS, WordPerfect 5.1, Lotus 1-2-3 Release 2.2, dBASE III PLUS / 
Roy Ageloff, Scott Zimmerman, Beverly Zimmerman. 
 - Cambridge, MA :  Course Technology, Inc.,  c1992. 
 - xii, 840 p. :  ill.  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>1878748777 (pbk.) 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>WordPerfect (Computer file).<br/>Lotus 1-2-3 (Computer file).<br/>dBase III plus (Computer file).<br/>MS-DOS (Computer file).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer software.<br/>Business--Computer programs.