Ageloff, Roy. <br/><br/>
Microcomputer applications for business :  dos 5.0/6.0, wordperfect 6.0, lotus 1-2-3, release 2.4, dbase iv / 
Roy Ageloff. 
 - [S.l.] :  Course Technology Inc,  1993. 
 - 1072 p. 
<br/><br/> Import.  Hardcover. 
<br/><br/><label>ISBN: </label>1565271750 9781565271753