Hasanabba, B. A. <br/><br/>
Amazing number marvels 

 - Bengaluru:  Prism Books Pvt. Ltd.  2015. 
 - 224 p. 
 - Recreational mathematics .
<br/><br/><label>ISBN: </label>9788172868321 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>512.7 HAS