Rena, H.B., Gaoa, W.J. and Ruanb, Y.J. (2008) Optimal Sizing for Residential CHP System. Applied Thermal Engineering, 28, 514-523.
 Joint Graduate School on Energy and Environment (JGSEE) (2006) The Study of Estimated the Quantity of Commercially Viable New CHP System for Factories and Buildings. Energy Policy and Planning Office, Ministry of Energy, Thailand.
 Hueffed, A.K. and Mago, P.J. (2010) Influence of Prime Mover Size and Operational Strategy on the Performance of Combined Cooling, Heating, and Power Systems under Different Cost Structures. Journal of Power and Energy, 224, 591-605.
 Rusbeh, R. and Reinhard, H. (2012) Optimization of Micro-CHP Systems in Residential Buildings from an Economic and Energetic Point of View. International Journal of Distributed Energy Resources, 8, 217-234.
 Siler-Evans, K., Morgan, M.G. and Azevedo, I.L. (2012) Distributed Cogeneration for Commercial Buildings: Can We Make the Economic Work? Energy Policy, 42, 580-590.
 Sun, Z.-G. (2008) Energy Efficiency and Economic Feasibility Analysis of Cogeneration System Driven by Gas Engine. Energy and Buildings, 40, 126-130.
 Somcharoenwattana, W., Menke, C., Kamolpus, D. and Gvozdenac, D. (2011) Study of Operational Parameters Improvement of Natural-Gas Cogeneration Plant in Public Buildings in Thailand. Energy and Buildings, 43, 925-934.
 Sommart, K. and Chullapong, C. (2005) Potential of Cogeneration and Absorption Chiller in a Supercenter Building. The 1st Conference on Energy Network of Thailand, Chonburi, 11-13 May 2005, 244-249.
 Metropolitan Electricity Authority (2013) Medium General Service’s Electricity Tariffs.