Dhaliwal G.S. <br/><br/>
An outline of entomology 

 - 2nd 
 -  KalyaniPublishers, Ludhiana  2013 
<br/><br/><label>ISBN: </label>978-81-272-1848-0 
<br/><br/><label>Dewey Class. No.: </label>595.7DHA