BHP Billiton2019-09-252019-09-252014-09-162014-08http://hdl.handle.net/20.500.12424/211278Not available. Multinational based in Australia and England.porWith permission of the license/copyright holdercode of conductcódigo de condutacode of business conductcode of ethicscódigo de éticamultinationalmetals and mining industryBHP BillitonEconomic ethicsBusiness ethicsPreprint