Krugman, Paul R. <br/><br/>
Foreign trade  theory and practice 
T.K. Velayudham. 
 - 2nd ed. 
 - Allahabad  Wheeler Publication  2000 
 - x, 222p., 23cm. 
<br/><br/><label>ISBN: </label>81-7544-205-0. 
<br/><br/><label>Dewey Class. No.: </label>658.049  / V38F