http://www.diva-portal.org/smash/get/diva2:1108675/FULLTEXT02: MSc thesis 2017, Blekinge, Circular Economy in Cities: A Strategic Approach Towards a Sustainable Society?
https://www.sei.org/events/circular-cities/: Circular Cities Webinar June 2020 (Stockholm Environment Institute)
https://nordic.climate-kic.org/wp-content/uploads/sites/15/2018/05/Circular-Economy-and-Utilities_FINAL.pdf: Nordic Climate KIC Circular Evonomy brochure 2018
https://iwaponline.com/bgs/pages/towards_circular_cities_special_issue: Blue-green Systems special issue: Towards Circular Cities - Nature based solutions for creating a resourceful circular city
https://iwaponline.com/bgs/article/2/1/1/71141/Urban-agriculture-as-a-keystone-contribution: Urban agriculture as a keystone contribution towards securing sustainable and healthy development for cities in the future
https://ec.europa.eu/research/environment/index.cfm?pg=circular: EU circular cities invitiative
https://circular-city.eu/: Circular cities COST action. The aim of the COST Action “Circular City Re.Solution” is to build an interdisciplinary platform for connecting city planners, architects, system designers, circular economists, engineers and researchers from social and natural sciences that develop systems