| References: |
- Deposit:: MINING ANNUAL REVIEW LONDON, 1970-1982.
- Deposit:: WORLD MINING, JANUARY, 1977, PP 50.
- Deposit:: MINING INTERNATIONAL YEAR BOOK, FINANCIAL TIMES, LONDON,
- Deposit:: ENGLAND, 1981.
- Deposit:: INTERNATIONAL TIN COUNCIL LISTING, 1982.
- Deposit:: BUKU STATISTIK, P.T. TAMBANG TIMAH (PERSERO), 1980.
- Deposit:: AUSTRALIAN MINERAL ECONOMICS PTY., THE WORLD TIN INDUSTRY
- Deposit:: SUPPLY AND DEMAND, SEPTEMBER, 1980.
- Deposit:: INTERNATIONAL TIN COUNCIL, TIN PRODUCTION AND DEVELOPMENT
- Deposit:: 1979.
- Deposit:: INTERNATIONAL TIN COUNCIL, REPORTS OCTOBER 1982, 1979.
- Deposit:: U.S. DEPARTMENT OF COMMERCE, MINERALS YEARBOOK, 1978-79,
- Deposit:: PP 928.
- Deposit:: HARYANTO, R., DEVELOPMENT OF TIN ORE TREATMENT AT P.T. KOBA
- Deposit:: TIN, SEMINAR ON BENEFICIATION OF TIN AND ASSOCIATED
- Deposit:: MINERALS, SEATRAD CENTRE, IPOH, MALAYSIA.
- Deposit:: INTERNATIONAL TIN COUNCIL, COMMITTEE ON DEVELOPMENT, REPORT
- Deposit:: NO. 26-10, JUNE, 1977, 2 P.
- Production:: SOUTH-EAST ASIA MINING LETTER-SAML, P. 6 (JAN. 14, 1994).
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