WOLTERS, Christopher Benedict; ADER, Ramona. Sustainability in German public procurement law: The current framework and legislative developments in the making. Ruch Prawniczy, Ekonomiczny i Socjologiczny, [S. l.], v. 87, n. 3, p. 101–118, 2025. DOI: 10.14746/rpeis.2025.87.3.07. Disponível em: https://pressto.amu.edu.pl/index.php/rpeis/article/view/45229. Acesso em: 7 luty. 2026.