Sundaram , K.P.M.&Vash, M.C <br/><br/>
Principles of economics . 7th ed. 

 - Agra  Pratan Prakasan mandir  1968 
 - (4),4,623 
<br/><br/><br/>English 
<br/><br/><label>Dewey Class. No.: </label>330.1  / Sun/Vai