WITKOWSKA, Janina. Regional Integration and Capital Mobility in the World Economy: Experiences of the European Union, NAFTA and AFTA. Comparative Economic Research. Central and Eastern Europe, Poland, v. 11, n. 1-2, p. 89–104, 2008. DOI: 10.18778/1508-2008.11.06. Disponível em: https://www.czasopisma.uni.lodz.pl/CER/article/view/21526. Acesso em: 12 aug. 2026.