Limits to artisanal and small-scale mining: evidence from the first kimberlite mines

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چکیده

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ژورنال

عنوان ژورنال: Journal of the Southern African Institute of Mining and Metallurgy

سال: 2018

ISSN: 2225-6253,2411-9717

DOI: 10.17159/2411-9717/2018/v118n8a6