Browsing by Author Nawaratne, S. W.
Showing results 1 to 1 of 1
| Issue Date | Title | Author(s) |
|---|---|---|
| 2019-11-07 | A novel heat treatment method to convert Sri Lankan Deguna stones to Padparadscha sapphire | Raveendrasinghe, S. V. T. D.; Nawaratne, S. W.; Malaviarachchi, Sanjeewa |