1. Directive 2022/2464/EU, 2022. https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32022L2464
2. Directive 2014/95/EU, 2014. https://eur-lex.europa.eu/eli/dir/2014/95/oj
3. EU 2020/852, 2020. https://eur-lex.europa.eu/eli/reg/2020/852/oj
4. ISO - International Organization for Standardization
5. https://www.certificationeurope.com/insights/difference-between-iso-14001-and-iso-50001/