Indiastat india  top 10 year book 2012/ 
Thukral.R.K. 
 - 1st.ed. 
 - New Delhi:  publication cell,  2012. 
 - 262 
<br/><br/><label>ISBN: </label>9789380590127 
<br/><br/><label>Dewey Class. No.: </label>050  / THU/I