National Academic Press <br/><br/>
TNPSC Group I, II, III & IV Physics & Chemistry 

 - 01 
 - Chennai  National Academic Press  2025 
 - 256 
<br/><br/><label>ISBN: </label>9789349036987 
<br/><br/><label>Dewey Class. No.: </label>001 R25 NAT