NCERT <br/><br/>
Vigyan    :Kaksha 9 ke Liye Paathyapustak(Hindi)/ 
NCERT 
 - New Delhi  NCERT  2006 
 - iii,259p. 
<br/><br/><label>ISBN: </label>817450513X 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Science-Textbook- Class-9th
<br/><br/><label>Dewey Class. No.: </label>500 R SA: Bi