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Somsri Thammathitirut
Bangkok, Thailand.
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Gemma International. Director.
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1978 Assisted with establishing AIGS and appointed as its first teacher.
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1980–1981 A.G. (Accredited Gemologist) from AIGS, GG, GIA, FGA.
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1982 - Current AIGS Advisor.
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2007-present Committee of Jewelry Trade Center. Bangkok.
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