b7af9dea_nnual_Report_and_Accounts_2011__Description
[Principle] Petra conducts itself according to the highest ethical and corporate governance standards [Description] 
Petra will operate according to the highest ethical and corporate governance standards and is committed to conducting itself in a way that is mindful of the economic, social and environmental impacts on society.
Petra Diamonds Limited Annual Report and Accounts 2011
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