Senadeera, Silvi <br/><br/>
පර්යේෂණ ක්‍රමවේදය 
= paryeshana kramawedaya 


 - Colombo:  Godage,  2021. 
 - xxiv,240p.;  22cm 
<br/><br/><label>ISBN: </label>978-624-00-0388-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methodology
<br/><br/><label>Dewey Class. No.: </label>370.78  / SEN