Semasinghe , W.M. <br/><br/>
උසස්පෙළ ආර්ථික විද්‍යාව 

 - Bataramulla :  Dept. of Education ,  2009 . 
 - 138 P . ;   21  cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics 
<br/><br/><label>Subjects--Index Terms: </label>Economics  
<br/><br/><label>Dewey Class. No.: </label>330