1. OECD/IEA. Energy poverty: how to make modern energy access universal?, IEA; 2010.
2. OECD/IEA. World energy outlook 2012. IEA; 2012.
3. Mitigation of global warming through renewable biomass;Dhillon;Biomass and Bioenergy,2013
4. Prastowo B. Biomass resource in Indonesia: Indonesia's solid biomass energy potential. In: German-Indonesia Workshop on Biomass, Institut Teknologi Bandung. Bandung; 2012.
5. World Growth. The economic benefit of palm oil to Indonesia. A Report by World Growth. Arlington, Virginia; 2011.