TY  - BOOK
AU  - Perera, S. 
TI  - Patitha: samaja vidya sameekshaa
SN  - 13919148
U1  - 303 
PY  - 2006///
CY  - Colombo
PB  - Social Institute
KW  - Social
KW  - Cultural
KW  - survey
ER  -