TY  - BOOK
AU  - Wickrmarathne, ADR
TI  - A study on the negative impact of gem industry on social life people in the Rathnapura district with the special reference to Pelmadulla division 
PY  - 2017///
CY  - Rathmalana 
PB  - Kotalawala Defence university 
KW  - Economic development
KW  - Gem industry
KW  - Job opportunities
KW  - Social life of people
N1  - KDU
ER  -