Aas- paas: Teesari kaksha ke liye pryavaran adhyayan ki patthyepustak 
NCERT (New Delhi India) 
 - Delhi, India  NCERT  2006 
 - 158p. 
<br/><br/><br/>Gifted by Prof. Anita Rampal 
<br/><br/><label>ISBN: </label>81-7525-405-X 
<br/><br/><label>Source: </label>Textual