Perera, B.C. <br/><br/>
Lanka andukrama vikasanaya 
<label>/ by </label> Perera, B.C. 
 - Nugegoda  Deepani  1983 
 - 174 p. 
<br/><br/>L 
<br/><br/><label>Dewey Class. No.: </label>328.5489  / P