1. International Energy Agency (IEA). (2013) “Southeast Asia Energy Outlook.” World Energy Outlook Special Report. Paris.
2. International Energy Agency (IEA). (2015a) “Southeast Asia Energy outlook.” World Energy Outlook Special Report. Paris.
3. International Energy Agency (IEA). (2015b) IEA Data Base. Paris.
4. World Development Indicators (WDI);World Bank;CD-ROM,2015
5. Impact of population growth;Ehrlich;Science,1990