NCERT   <br/><br/>
MANUAL OF UPPER PRIMARY SCIENCE KIT CLASSES VI, VII AND VIII   

 - 1st   
 - NCERT, 2014.     
 - 251   
<br/><br/><label>ISBN: </label>9789350070512   
<br/><br/><label>Dewey Class. No.: </label>505/NCE