National Council of Educational Research and Training <br/><br/>
School chemistry: class 6 & 7 text 

 - New Delhi  NCERT  1968 
 - 99p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics - Textbook
<br/><br/><label>Dewey Class. No.: </label>540 NAT(TB)