Rasaputram ,Waranasena. <br/><br/>
Influence Of Foreign Trade On The Level and Growth Of National Income  Of Ceylon1926-57/  English. 
Waranasena Rasaputram 
 - Ceylon :  Central Bank Of Ceylon ,  1964 
 - xi,187p.:  ill.;  23cm. 
<br/><br/><label>Dewey Class. No.: </label>382.5493  / RAS