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Artisanal mining - Wikipedia,An artisanal miner or small-scale miner ASM is a subsistence miner who is not officially employed by a mining company, but works independently, mining minerals using their own ... 20% of the global gold supply is produced by the ASM sector, as well as 80% of the global gemstone and 20% of global diamond supply, and ...
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Addressing Difficulties in Accessing Comparables ... - OECD.org,Case Study 3: Gold Production and Sales . ... The cost plus method is most often associated with manufacturers and service providers that do not assume ...
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