https://livecircularcanvas.eu/
"Circular economy – From review of theories and practices to development of implementation tools", de Yuliya Kalmykova, Madumita Sadagop și Leonardo Rosado
https://www.sciencedirect.com/science/article/pii/S0921344917303701
European sustainability competence framework, GreenComp
https://joint-research-centre.ec.europa.eu/greencomp-european-sustainability-competence-framework_en
