Karunananda, Asoka S. <br/><br/>
Heta Lowata Pariganaka 
 හෙට ලොවට පරිගණක 

 - Sri Lanka,  Open University,  1998, 
 - 236p.  23cm. 
<br/><br/><label>ISBN: </label>9559638300 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Computer
<br/><br/><label>Dewey Class. No.: </label>681.14  / KAR