Graaff, J De V <br/><br/>
Theoretical welfare economics 

 -  Vikas Publishing House Pvt. Ltd., New Delhi  1963 
 - 178 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic systems and theories
<br/><br/><label>Dewey Class. No.: </label>PG 330.1  GRA-T