1. Joint Graduate School of Energy and Environment, Final Report: Higher Energy Performance Standard for Buildings, commissioned by the Metropolitan Electricity Authority, December 2009.
2. Implementing energy codes in Hong Kong: energy savings, environmental impacts and cost;Chan;Energy and Buildings,2005
3. Department of Alternative Energy Development and Efficiency (DEDE), Ministry of Energy Thailand Energy Situation report.
4. Office of Natural Resources and Environmental Policy and Planning, Ministry of Natural Resources and Environment, The report of the accounting treatment of greenhouse gas to Thailand's power sector (Energy Sector), JGSEE,KUUTT. April 2010.