1. Department of Energy Development and Promotion (DEDP), 1999. Thailand Energy Situation 1999. Ministry of Science, Technology and Environment, Thailand.
2. Electricity Authority of Thailand (EGAT), 1999a. Power Development Plan (Revised PDP 99-01). Thailand.
3. Electricity Authority of Thailand (EGAT), 1999b. The Study on Lignite Coal Gasification Process for Combined Cycle Power Plant. Thailand.
4. Electricity Authority of Thailand (EGAT), 2000. Annual Report 2000. Thailand. See also: http://www.egat.or.th/english/annual2000/develop_electric.html.
5. Intergovernmental Panel on Climate Change, IPCC, 1996. Guideline for National Greenhouse Gas Inventories: Reference Manual. London, UK.