TY  - BOOK
AU  - Seneviratne, Wathmanel.
AU  - Weerasooriya, W.A.
AU  - Weerasinghe, Shivanthi.
TI  - Conference Proceedings
SN  - 9789559075097
U1  - 020 
PY  - 2009///
CY  - colombo
PB  - Srilanka Library Association
ER  -