Kuczewska, Joanna, and Tomasz Tomaszewski. “Exploring Potential Drivers of Innovation-Related Activities in Poland: Evidence from Polish Business Clusters”. Equilibrium. Quarterly Journal of Economics and Economic Policy 17, no. 3 (September 30, 2022): 775–801. Accessed December 4, 2022. http://economic-research.pl/Journals/index.php/eq/article/view/2097.