"Senadheera, S." <br/><br/>
පර්යේෂණ ක්‍රමවේදය/ 
S. Senadheera 
 - Colombo:  "Godage,"  2004 
 - 18p. 
<br/><br/><label>Subjects--Index Terms: </label>Research methodsSri Lanka 
<br/><br/><label>Dewey Class. No.: </label>1.4