KAWECKA-WYRZYKOWSKA, Elżbieta. Importance and motives of preferential trade agreements in the EU’s external trade. Economics and Business Review, Poland, v. 6, n. 3, p. 3–22, 2020. DOI: 10.18559/ebr.2020.3.1. Disponível em: https://journals.ue.poznan.pl/ebr/article/view/406. Acesso em: 3 apr. 2025.