1. European Union (2024, January 29). Directive 2018/844. Available online: https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:32018L0844.
2. European Union (2024, January 29). Directive 2023/1791. Available online: https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:32023L1791&qid=1703148081023.
3. U. Nations (2024, January 29). COP 21 Climate Change. Available online: https://unfccc.int/event/cop-21.
4. European Commission (2024, January 19). Energy, Climate Change, “Nearly Zero Buildings NZB”. Available online: https://energy.ec.europa.eu/topics/energy-efficiency/energy-efficient-buildings/nearly-zero-energy-buildings_en.
5. Eco-efficient construction and building materials research under the EU Framework Programme Horizon 2020;Constr. Build. Mater.,2014