கணக்கு   7ம் வகுப்பு ; பருவம் III ;தொகுதி - 2 
Content creation state council of educational research and training 
 - 1st edition 
 - Chennai  Tamil Nadu textbook and educational services corporation   2019 
 - iv, 140p.  col.ill.  25cm. 
<br/><br/><label>Dewey Class. No.: </label>510  / TAM