1. The circular economy: Case studies about the transition from the linear economy;Sillanpaa,2019
2. The principles of sustainability;Dresner;Routledge,2012
3. E. Union. "COMMUNICATION FROM THE COMMISSION TO THE EUROPEAN PARLIAMENT, THE COUNCIL, THE EUROPEAN ECONOMIC AND SOCIAL COMMITTEE AND THE COMMITTEE OF THE REGION." https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=COM:2020:98:FIN (accessed.
4. G. D. Geoff McCarney, Shahid Hossaini, Sonia Patel, Nurul Hossain, tephanie Cairns "RIMARY MATERIALS IN THE EMERGING CIRCULAR ECONOMY: IMPLICATIONS FOR UPSTREAM RESOURCE PRODUCERS AND PRIMARY MATERIAL EXPORTERS." https://institute.smartprosperity.ca/sites/default/files/emerging_circular_economy_report.pdf (accessed.
5. Development of circular economy in China;Qi,2016