N.P. BALI ,  <br/><br/>
A TEXTBOOK OF ENGINEERING MATHEMATICS SEM-IV 

 - CHENNAI  UNIVERSITY SCIENCE PRESS   2022 
 - 462 P 
<br/><br/><label>ISBN: </label>9789380386539 
<br/><br/><label>Dewey Class. No.: </label>510.2462