Jain,Satish <br/><br/>
DOS 6 & 6.22 companion / 
Jain,Satish. 
 - 2nd ed. 
 - New Delhi:  BPB publications,  1996. 
 - xv,443p;25cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>817029374X 
<br/><br/><label>Dewey Class. No.: </label>005.43 JAI