Abepala,Roland <br/><br/>
දත්ත රැස් කිරීමේ උපකරණ 
= Daththa raskirime upakarana 


 - Kottawa  SARA,  2008 
 - 160p.;  ill.  21cm 
<br/><br/><label>ISBN: </label>9789555845076 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reserch Method
<br/><br/><label>Dewey Class. No.: </label>001.42  / ABE