Graaff,J Dev <br/><br/>
Theoretical welfare economics 

 - New Delhi  Vikas Publishing House Pvt Ltd  1957 
 - xii,178p. 
<br/><br/><label>ISBN: </label>070690883X 
<br/><br/><label>Subjects--Index Terms: </label>welfare economics  technology  Foreign trade 
<br/><br/><label>Dewey Class. No.: </label>330.831  / GRA