DeVoney, Chris  <br/><br/>
Using PC DOS 
Chris DeVoney 
 - Indianapolis  Que Corporation  1987 
 - xx+519p.  appendix; index 
<br/><br/><label>ISBN: </label>0-88022-170-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ComputersDos
<br/><br/><label>Universal Decimal Class. No.: </label>519.683/.686  / DEV