1. Key World Energy Statistics,2018
2. Consumption of Energy,2019
3. Driving Energy Efficiency in the European Building Stock: New Recommendations on the Modernisation of Buildings,2019
4. Directive EU 2018/844 of the European Parliament and of the Council of 30 May 2018 Amending Directive 2010/31/EU on the Energy Performance of Buildings and Directive 2012/27/EU on Energy Efficiency,2018