Ptáček, Pavel. “The Role of Foreign Direct Investments (FDI) in Establishing Knowledge Economy in the Czech Republic: the Case of Knowledge-Intensive Business Services”. Studies of the Industrial Geography Commission of the Polish Geographical Society 14 (January 1, 2009): 22–30. Accessed April 29, 2024. https://prace-kgp.uken.krakow.pl/article/view/465.