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Need of preventing and minimizing environmental hazards from gem mining in Sri Lankan context Examining the legal provisions

by Premarathne, HD Darshima.

Material type: Text Text; Format: print ; Literary form: Not fiction Language: English Language Publisher: Ratmalana KDU 2019Dissertation note: KDU Faculty of Graduate Studies Law Availability: Items available for reference: Main Library Not for loan (1). : Location(s): Theses and Dissertations Collection .
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Practical gemmology : a study of the identification of gem-stones, pearls and ornamental minerals

by Webster, Robert.

Edition: 5th ed.Material type: Text Text; Format: print ; Literary form: Not fiction Language: English Language Publisher: London N.A.G. Press 1973Availability: Items available for loan: Main Library (1). Location(s): Genaral Collection Call number: 553.8 W21.

 

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