Number Of Workers Employed 2003 - 2007 
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§ҹʶԵ 2546 - 2550 (Mineral Statistics of Thailand 2003 - 2007) ͧӹǹҹͧ ṡԴ
ҡբʧ ͵ͧâ سҵԴ͡ʶԵ . 0-2202-3666-8
e-mail : statistics@dpim.go.th