Open University of Sri Lanka <br/><br/>
Social Sciences, foundation programme level 1. 

 - Nugegoda  Open University of Sri Lanka  1992 
 - 57 p. 
<br/><br/><label>ISBN: </label>139641 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>330  / OPE