Sultania Dilip Kumar.  <br/><br/>
Theory of computation 

 - 4th edition. 
 - New delhi :   Tech-Max   2016. 
 - c-20.  
<br/><br/><label>ISBN: </label>978-81-8492-638-5  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering,
<br/><br/><label>Dewey Class. No.: </label>005.13  / SUL