Ratiyala, R.W.S. <br/><br/>
Pahala kalu gan nimnaya asrita puravidyatmaka  urumaya 
<label>/ by </label> Ratiyala, R.W.S. 
<label>;</label> Haturusinghe, Sriyani 
 - Kelaniya 
<br/><br/>SC 
<br/><br/>University of Kelaniya 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Archaeology<br/>Heritage-Sri Lanka<br/>Rivers-Sri Lanka<br/>Valleys-Sri Lanka