Abepala, Rroland  <br/><br/>
දත්ත රැස් කිරීමේ උපකරණ 
= paryeeshaNa kramavidhYaava: dhaththa raskiriimee upakaraNa 


 - Kottawa:  Sara Publications,  2014. 
 - 160p.;  21cm 
<br/><br/><label>ISBN: </label>978-955-584-507-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methods
<br/><br/><label>Dewey Class. No.: </label>001.42  / ABE