HUMANICKI, Marcin; KELM, Robert; OLSZEWSKI, Krzysztof. Foreign Direct and Portfolio Investment in the Contemporary Globalized World Should They Be Still Treated Separately. Central European Journal of Economic Modelling and Econometrics, [S. l.], v. 9, n. 2, p. 115–135, 2017. DOI: 10.24425/cejeme.2017.122204. Disponível em: https://wydawnictwo.pan.pl/index.php/cejeme/article/view/152. Acesso em: 28 feb. 2026.