Cheba, Katarzyna Cheba. “The Influence of Clusters on Economic Development. A Comparative Analysis of Cluster Policy in the European Union and Japan”. Oeconomia Copernicana 6, no. 3 (September 30, 2015): 73–88. Accessed January 27, 2022. http://economic-research.pl/Journals/index.php/oc/article/view/166.