Lalithadheera, K. A. <br/><br/>
පර්යේෂණ ක්‍රමවේදය සහ ක්‍රම 

 - 1st ed. 
 - Nugegoda :  Sarasavi ,  2025 
 - 411 p. :  21cm 
<br/><br/><label>ISBN: </label>9789553679024 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research<br/>Research Methodology<br/>Research Methods
<br/><br/><label>Subjects--Index Terms: </label>Research Methods Research 
<br/><br/><label>Dewey Class. No.: </label>300.72  / LAL