JAŃCZAK, J. The European Council and the European Union’s external activities. Forming relations with eastern neighbors. Przegląd Politologiczny, [S. l.], n. 1, p. 63–72, 2018. DOI: 10.14746/pp.2018.23.1.4. Disponível em: https://pressto.amu.edu.pl/index.php/pp/article/view/12489. Acesso em: 29 sty. 2023.