Gupta Arvind <br/><br/>
Khilonon ka basta: Vigyan ke kuchh saste saral aur rochak khilone 
Eklavya 
 - Bhopal, India  Eklavya Prakashan  1991 
 - 67p. 
<br/><br/><label>ISBN: </label>978-81-8717-04-1 
<br/><br/><label>Source: </label>Reference