Patrick J. Welch Gerry F. Welch <br/><br/>
Economics  Theory and Practice  

 - 7th edition 
 - New Delhi  Wiley India  2004 
 -  xiv, 544p 
<br/><br/><label>ISBN: </label>978 81 265 1262 1 
<br/><br/><label>Dewey Class. No.: </label>330.1  / PAT