1. Energy Policy and Planning Office, Ministry of Energy, Energy Situation in 2015 and trend for 2016, 2016, p.1-8.
2. Energy Policy and Planning Office, Ministry of Energy, 2558, Alternative Energy Development Plan: AEDP 2012-2021, Available online at http://www.eppo.go.th/index.php/th/plan-policy/tieb/aedp. 2015, [Accessed 2017-01-20].
3. Department of Alternative Energy Development and Efficiency, Ministry of Energy, Available online at http://www.dede.go.th [Accessed 2017-04-01].
4. Energy Research and Development Institute-Nakornping, Chiang Mai University, Available online at http://erdi.cmu.ac.th/index.php. [Accessed 2017-03-25].
5. Overview of livestock biogas technology development and implementation in Thailand;Aggarangsi;Energy for Sustainable development,2013