Policies and regulations for Brazil’s artisanal gold mining sector: analysis and recommendations
Autor: | Sousa, Rodolfo, Veiga, Marcello, Van Zyl, Dirk, Telmer, Kevin, Spiegel, Sam, Selder, Jeff |
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Zdroj: | In Journal of Cleaner Production 2011 19(6):742-750 |
Databáze: | ScienceDirect |
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