Csugány, Julianna, and Tamás Tánczos. “Changes in the Innovation Performance of the Visegrad Countries During Their EU Membership”. Balkans Journal of Emerging Trends in Social Sciences 8, no. 1 (June 30, 2025): 1–16. Accessed August 29, 2025. https://www.balkans-jetss.org/index.php/index_bjetss/article/view/131.