"Kodithuwakku, G." <br/><br/>
පර්යේෂණ ලෝකයට පිවිසෙමු/ 
G. Kodithuwakku 
 - Baththaramulla:  "Reaearch and development,"  94 
 - 20p. 
<br/><br/><label>Subjects--Index Terms: </label>Research methodologySri Lanka 
<br/><br/><label>Dewey Class. No.: </label>1.4