Vidyodaya : Journal  of Arts, Science and Letters.Vol.9: 1981 

 - Nugegoda  Vidyodaya University of Ceylon  1981 
<br/><br/><label>Subjects--Topical Terms: </label><br/>50298:N59
<br/><br/><label>Dewey Class. No.: </label>50298:N59  / J8.9