Wickrmarathne, ADR <br/><br/>
A study on the negative impact of gem industry on social life people in the Rathnapura district with the special reference to Pelmadulla division  

 - Rathmalana   Kotalawala Defence university   2017 
 - xi,58 p.  col.ill 
<br/><br/>KDU 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic development <br/>Gem industry <br/>Job opportunities <br/>Social life of people