Scientists, laws and chemical reactions 
 Science Encyclopedia 
Om Kidz  
 - 1st ed. 
 - Noida  Om Kidz   2018 
 - 32 p.  col. ill. 
<br/><br/> Includes Index 
<br/><br/><label>ISBN: </label>9789386316820 
<br/><br/><label>Dewey Class. No.: </label>541.39  / SCI