Das Satya P <br/><br/>
Introductory microeconomics: Textbook for class 12th 
NCERT 
 - New Delhi, India  National Council of Educational Research and Training  2002 
 - 170p. 
<br/><br/><label>ISBN: </label>81-7450-175-4 
<br/><br/><label>Source: </label>Reference