Johnson, Harry G <br/><br/>
Aspects of the theory of tariffs 

 - London  George Allen and Unwin ltd.  1971 
 - xii, 451p.; 24cm. 
<br/><br/><label>ISBN: </label>43820158 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Effective protection theory<br/>Harmonization<br/>Policy harmonization<br/>Tariffs<br/>Tariffs theory