[1999] PASCO-FONT, Alberto. “Economic and environmental viability of small and medium mines in Peru”. En: MCMAHON, Gary; EVIA, José Luis; PASCO-FONT, Alberto; SANCHEZ, José Miguel. An environmental study of artisanal, small, and medium mining in Bolivia, Chile and Peru. Washington, D.C.: World Bank. p. 49-61.

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