खेल खेल में भौतिकी | Khel khel mein bhautiki 

 - Delhi  Geetanjali prakashan  2008 
 - 155p.  ill. 
<br/><br/><label>ISBN: </label>8190156683 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>530  / M474K