සොබා දහමේ දුර්ලභ වූ නිර්මාණය- ශිලාජතු

Files

SOBAS_S4_5_7.pdf (302.25 KB)

Authors

Publisher

Ministry of Environment and Natural Resources:Colombo

Keywords

Geology, Asphalt Mineral Pitch

Citation

Soba:p.5-7

URI

http://dspace.nsf.gov.lk/handle/1/655

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