TY  - BOOK
AU  - De Silva, M. A. T.
AU  - Siriweera, W. I.
AU  - Devendra, Somasiri
TI  - Evolution of technological innovations in ancient Sri Lanka
SN  - 9789556651409
U1  - 303.483094593 
PY  - 2011///
CY  - Colombo
PB  - Vijitha Yapa
KW  - Technological innovations
KW  - Sri Lanka
KW  - History
N1  - ISBN 9789556651409
ER  -