PSUs (Public sector units)  : Practice book Electronics Engineering 
/ by Made Easy publications 
 - 3rd ed. 
 - New delhi:  Made Easy publications,  2011. 
 - 820p. ; 33cm. 
<br/><br/><label>ISBN: </label>9788191034356 
<br/><br/><label>Dewey Class. No.: </label>620  / MAD/P