Hyman, Michael I., <br/><br/>
Advanced DOS 

 - 2 nd ed. 
 - Delhi. :  BPB Publications,  1989. 
 - ix. 363 p. :  ill.  22 cm. 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>NUST
<br/><br/><label>Dewey Class. No.: </label>005.43  / HYM