Górniewicz, Grzegorz, and Piotr Siemiątkowski. “Reasons for Changes in the International Investment Position of Poland”. Torun International Studies 1, no. 3 (May 12, 2010): 87–100. Accessed March 3, 2026. https://apcz.umk.pl/TSM/article/view/TIS.2010.006.