National council of applied economic research <br/><br/>
National council of applied economic research 

 - New Delhi  National council of applied economic research  1961 
 - 163 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tripura
<br/><br/><label>Dewey Class. No.: </label>TR 330.9 Nat