Kodithuwakku,Godwin <br/><br/>
පර්යේෂණ ආචාරධර්ම 
= Paryeshana achara dharma 


 - 2nd Ed.; 
 - Baththaramulla  IRD,  2017 
 - 56p.;  21cm 
<br/><br/><label>ISBN: </label>9789558973073 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Occupational ethics
<br/><br/><label>Dewey Class. No.: </label>174  / KOD