Kaliszczak, Lidia, and Katarzyna Sieradzka. “The Conditions and Change Tendencies of the Innovativeness of the Polish Economy Against the Background of Selected European Countries”. Social Inequalities and Economic Growth, no. 75 (September 30, 2023): 47–61. Accessed July 22, 2024. https://journals.ur.edu.pl/nsawg/article/view/9060.