TY  - GEN
AU  - De Silva, M. Asoka
TI  - Evolution of technological innovations in ancient Sri Lanka
SN  - 9789556651409
U1  - 909.095493 
PY  - 2011///
CY  - Colombo
PB  - Vijitha Yapa
KW  - Sri lanka
KW  - Civiliztion - Sri Lanka
KW  - Technological innovation  Sri Lanka
KW  - Technology - Sri Lanka
KW  - Technology - Civilization - Sri Lanka
ER  -