HELFER, H. Social Market Economy - a Contemporary Institutional Framework. Zeszyty Naukowe Wyższej Szkoły Bankowej w Poznaniu, [S. l.], v. 68, n. 3, 2016. Disponível em: https://journals.wsb.poznan.pl/index.php/znwsb/article/view/901. Acesso em: 22 lip. 2024.