TY  - BOOK
AU  - Dissanayaka, L.B
TI  - Social Studies Grade10 : (GCE (O/L)-2007-part one)
SN  - 955-98761-2-0
U1  - 301 
PY  - 2007///
CY  - Kurunagala
PB  - Samudra
KW  - Social science
ER  -