GARG, Laxinarayan <br/><br/>
Parmanu Se Nano - Prayogiki Tak 

 - 1st 
 - New Delhi  Children's Book Trust  2006 
 - 143 
<br/><br/><label>ISBN: </label> 75 
<br/><br/><label>Dewey Class. No.: </label>500.'894/GAR