De Silva, T.K.N.P. Mendis, D.L.O. Wickramanayake, V.E.A. Uragoda, C.G.
Scientific Principles seen in ancient artefacts and monumental structures
- NARESA Colombo 1995
- 54 lk
- Soil Erosion Ancient ruins Water Conservation Scientific Principles Health Principles Sri Lanka
- Science Education Series No.36 .
http://thakshana.nsf.ac.lk/slstic/NA-129/NA_129.pdf
= Scientific Principles seen in ancient artefacts and monumental structures