1. Ellen Macarthur Foundation, [Online]. Available: https://ellenmacarthurfoundation.org/topics/circular-economy-introduction/overview.
2. ETC/WMGE Report 2/2021: Business Models in a Circular Economy, [Online].
3. Economy, C. (2021). The circularity gap report.
4. Economy, C. (2023). The circularity gap report.
5. Three-dimensional product circularity;Boyer;J. Ind. Ecol.,2021