Ahmed, Tanbir. <br/><br/>
Brain twister  :  delightful mathematics /  
Tanbir Ahmed, M. Shamsher Ali, M. Kaykobad. 
 - Banglabazar :  Voyager Publications,  2002. 
 - 320 p. :  ill. ;  14 cm.  
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.<br/>Number theory.<br/>Algebra.<br/>Geometry.
<br/><br/><label>Dewey Class. No.: </label>510