Perera, Anura C. <br/><br/>
තාරකා විද්‍යාව 
= thaarakaa vidhyaava : obee piLuthura harida 


 - Nugegoda:  Sarasavi,  2009. 
 - 220p.;  24cm 
<br/><br/><label>ISBN: </label>978-955-573-893-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Dewey Class. No.: </label>520  / PER