Environmental study of artisanal, small and medium mining in Bolivia, Chile and Peru
McMahon, Gary (etal)
Environmental study of artisanal, small and medium mining in Bolivia, Chile and Peru - Washington DC World Bank 1999 - ix, 61p.
Environmental Economics
Environmental study of artisanal, small and medium mining in Bolivia, Chile and Peru - Washington DC World Bank 1999 - ix, 61p.
Environmental Economics