Lalithadheera,K.A. <br/><br/>
පර්යේෂණ ක්‍රමවේදය 1 
= Paryeshana Krama widaya 1 


 - 2nd Ed.; 
 - Homagama  Lalithadheera,  2008 
 - 112p.;  ill.  21cm 
<br/><br/><label>ISBN: </label>9789555077903 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reserch Method
<br/><br/><label>Dewey Class. No.: </label>001.42  / LAL