1. European Commission, The European Green Deal, Brussels, 2019.
2. OECD, OECD Affordable Housing Database, 2022.
3. nZEB retrofit of a concrete large panel apartment building;Kuusk;Energy Procedia,2015
4. Towards the EU emissions targets of 2050: optimal energy renovation measures of Finnish apartment buildings;Hirvonen;Int. J. Sustain. Energ.,2019
5. EU COM/2020/662 final, A Renovation Wave for Europe - greening our buildings, creating jobs, improving lives, Brussels, 2020.