References
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- Energy Management Centre, Ministry of Power, Government of India . Policy Guidelines for Energy Efficiency Promotion in Asia.
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- Siegel , Jack S. , Rudins , George , Temchin , Jerome and McKee , Barbara . 1991 . U.S. Department of Energy, Benefits and Barriers to Development of Clean Coal Technologies . presented at the International Conference on Coal, the Environment and Development: Technologies to Reduce Greenhouse Gas Emissions . November 18–21 1991 , Sydney , Australia.