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[2] Qinghua University Building Energy Research Center, 2008 Annual Report on China Building Energy Efficiency, 2008
[3] National Bureau of Statistics of the People's Republic of China, 2001-2011 China Statistical Yearbook, 2001-2011.
[4] National Development and Reform Commission of the People's Republic of China, Medium and Long-term Development Plan of Renewable Energy of the People's Republic of China, 2007.
[5] National Energy Bureau of the People's Republic of China, Renewable Energy Development 1025 planning, 2012.