Socha,AS <br/><br/>
PC world DOS complete handbook 

 - 1st 
 - New Delhi  Galgotia Publications Pvt.Ltd  1992 
 - 588 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Engineering
<br/><br/><label>Dewey Class. No.: </label>5  / SO-P