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

 - 3rd 
 - Ludhiana    Kalyani Publisher  2016 
 - 512P. 
<br/><br/><label>ISBN: </label>9789327264524 
<br/><br/><label>Dewey Class. No.: </label>595.7 DHA