De Silva, M. Asoka T
Evolution of technological innovations in ancient Sri Lanka
- Colombo Vijitha Yapa Publications 2011
- xxviii,443 p. some Colour
9789556651409
BOOKS BOX 871
BUDDHIST ARCHITECTURE
COMBINE MATHS
HISTORY-SRI LANKA
IRRIGATION
SHIPBUILDING
STEEL INDUSTRY
B0871 / LDC