Vas, Gratian <br/><br/>
Brain teasers in english/by Gratian Vas 

 - New Delhi  Sterling Publishers Pvt. Ltd.  2008 
 - 159p. 
<br/><br/><label>ISBN: </label>97881207181665 
<br/><br/><label>Dewey Class. No.: </label>428.24  V44B