1. Mining’s Contribution to Sustainable Development—An Overview Mining’s Contribution to Sustainable Development,2012
2. Overview of State Ownership in the Global Minerals Industry, Long Term Trends and Future;Ericsson,2011
3. The Economic Contributions of U.S. Mining,2014
4. Brundtland World Commission on Environment and Development (WCED)https://public.wsu.edu/~susdev/WCED87.html
5. Environmental leadership: From compliance to competitive advantage