1. Africa Union, 2009. Africa mining Vision.
2. BP. Statistical Review of World Energy, various editions.
3. Indonesian nationalism;Beckmann;Mining Journal,2012
4. Every Nation for Itself: Winners and Loser in a G-Zero World;Bremmer;Portfolio,2012
5. Currie, J. et al., 2008. The Revenge of the Old ‘Political’ Economy, Goldman Sachs: The Sustainability of Higher Long-Term Commodity Prices, Part III, 14 March 2008. This report was the third in a series addressing the ‘revenge of the old economy’. The earlier reports were The Sustainability of Higher Oil Prices: Revenge of the Old Economy, Part II, Goldman Sachs, 8 June 2004; and, Underinvestment Raises Prospects for an Early and Sustained Commodity Rally, Goldman Sachs Commodity Watch, 4 February 2002.