Gupta, Sanjay <br/><br/>
Science Talent & Olympiad Exam. (For Class Vii) / 
Sanjay Gupta 
 - 1st edition 
 -  Upkar ,  2023 
 - 140 
<br/><br/><label>ISBN: </label>9789350133422 
<br/><br/><label>Dewey Class. No.: </label>507.6  / GUP