Hamari duniya: Samajik addhyayan kaksha- 5 
SCERT (Delhi India) 
 - Delhi, India  Delhi Pathya Pustak Bureau   2004 
 - iv,120p. 
<br/><br/><br/>Acc. No. 90002 and 90949 are CSEC book 
<br/><br/><label>Source: </label>Reference