TY  - BOOK
AU  - De Silva , M. Asoka T.
TI  - Evolution of technological innovations in ancient Sri Lanka
SN  - 9789556651409
U1  - 609 
PY  - 2011///
CY  - Colombo
PB  - Vijitha Yapa 
KW  - Industrial Archaeology
KW  - Inventions - Sri Lanka
KW  - Innovations - Sri Lanka - Technological Aspects
KW  - Technology
ER  -