1. Tata Energy Data Directory (TEDDY),1991
2. Energy use in India;Newton,1976
3. Design and Management of Energy Conservation;O'Callaghan,1981
4. The estimation of energy consumption and amount of pollutants due to the construction of buildings;Tatsua;Energy Build.,1993
5. Estimating, Costing, Specification and Valuation in Civil Engineering;Chakraborty,1992