Kruse, Mirko, and Jan Wedemeier. “Quantifying the Circular Economy in European Regions: A Bridge towards Smart Specialisation?”. REGION 10, no. 3 (November 21, 2023): 105–136. Accessed May 12, 2024. https://openjournals.wu-wien.ac.at/ojs/index.php/region/article/view/498.