Bronisz, Urszula, Wim Heijman, and Johan van Ophem. “The Assessment of Intellectual Capital in Polish Regions”. Applied Studies in Agribusiness and Commerce 6, no. 1-2 (June 30, 2012): 101–105. Accessed November 22, 2024. https://ojs.lib.unideb.hu/apstract/article/view/7786.