Social science  standard nine 
content creation State Council of Educational Research & Training 
 - Rev. ed. 
 - [Chennai]  Tamilnadu Textbook and Educational Services Corporation  2020 
 - viii, 320 p.  col. ill. map  30 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social science school book<br/>SCERT
<br/><br/><label>Dewey Class. No.: </label>305  / TAM