Kodithuwakku, Godvin <br/><br/>
පර්යේෂණ ආචාරධර්ම 
= paryeeshaNa aachaaraDHarma 


 - Battaramulla;  Institute of Research and Development ,  2017. 
 - 56p.  21cm 
<br/><br/><label>ISBN: </label>978-955-8973-07-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Method
<br/><br/><label>Dewey Class. No.: </label>174  / KOD