Senadheera , Silvi  <br/><br/>
පර්යේෂණ ක්‍රමවේදය 

 - Colombo :  Godage ,  2004 . 
 - 184 P . ;  22 cm  
<br/><br/><label>ISBN: </label>9552072557 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General Knowledge 
<br/><br/><label>Subjects--Index Terms: </label>Research methodsSri Lanka General Knowledge  
<br/><br/><label>Dewey Class. No.: </label>001.4