Dos Quick Reference. 
By Rajib Mathur. 
 - 3rd. 
 - New Delhi.:  Galgotia.,  2002. 
 - 401 p.:6 cm. 
<br/><br/><label>ISBN: </label>81-85623-11-2 
<br/><br/><label>Subjects--Index Terms: </label>Computer Science. Quick Reference to Dos. 
<br/><br/><label>Dewey Class. No.: </label>005.4