1.
Humanicki M, Kelm R, Olszewski K. Foreign Direct and Portfolio Investment in the Contemporary Globalized World Should They Be Still Treated Separately. cejeme [Internet]. 2017 Feb. 1 [cited 2026 Feb. 27];9(2):115-3. Available from: https://wydawnictwo.pan.pl/index.php/cejeme/article/view/152