Ashley, Ruth <br/><br/>
DOS : self-teaching guide 

 - 	New York   Chichester Wiley,  1993 
<br/><br/><label>ISBN: </label>0-471-59074-6 
<br/><br/><label>Source: </label> 99-719 
<br/><br/><label>Subjects--Topical Terms: </label><br/>	 PC-DOS (Computer file)  <br/> Operating systems<br/>MS-DOS
<br/><br/><label>LC Class. No.: </label>QA76.76  / .O63A83 1993