1. Nygaard, A.: From Linear to Circular Economy: a Transaction Cost Approach to the Ecological Transformation of the Firm. Circ. Econ. Sust. 2, 1127–1142 (2022).
2. Brizga, J., Khadraoui, S. E.: The Circular Economy and Green Jobs in the EU and Beyond ([edition unavailable]). London Publishing Partnership. Retrieved from https://www.perlego.com/book/3739220/the-circular-economy-and-green-jobs-in-the-eu-and-beyond-pdf (Original work published 2022).
3. Lin, C.S.K., Kaur, G., Li, C., Yang, X., Stevens, C.V.: Waste Valorisation: Waste Streams in a Circular Economy. Wiley (2020).
4. Gisi, S.; Lofrano G.; Grassi, M., Notarnicola, M.: Characteristics and Adsorption Capacities of Low-Cost Sorbents for Wastewater Treatment: A Review. Sustain. Mater. Technol. 9, 10–40 (2016).
5. Tchikuala, E., Mourão, P., Nabais, J.: Valorisation of Natural Fibres from African Baobab Wastes by the Production of Activated Carbons for Adsorption of Diuron. Procedia Eng. 200, 399–407 (2017).