Khanna & Verma. <br/><br/>
Upkar,r ever latest general knowledge 

 - 1st ed. 
 - Delhi:  Upkar Praksh. 
 - 408. 
<br/><br/><label>ISBN: </label>978-81-7482-025-9 
<br/><br/><label>Dewey Class. No.: </label> / KHA