TY  - BOOK
AU  - Senadheera , Silvi 
AU  - Wanasinghe , Shamindha 
TI  - à¶´à¶»à·à¶ºà·à·à¶« à¶à·âà¶»à¶¸à·à·à¶¯à¶º
SN  - 9552072557
U1  - 001.4 
PY  - 2004///
CY  - Colombo
PB  - Godage
KW  - General Knowledge
KW  - Research methodsSri Lanka
ER  -