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2. EU, Directive 2012/27/EU of 26 October 2012 on the energy, Brussels, 2012.
3. EC Energy, Buildings (2016). https://ec.europa.eu/energy/en/topics/energy-efficiency/buildings.
4. STR 2.05.01:2013, Design of Energy performance of buildings. Zin., 2013, Nr. D1-909 (in Lithuanian).
5. Multi-criteria decision-making system for sustainable building assessment/certification;Medineckiene;Arch. Civil Mech. Eng.,2015