LEHMANN, Kai Enno. Why Politics? The crisis of political leadership in Europe and its consequences. Conjuntura internacional, Belo Horizonte, v. 11, n. 1, p. 35–42, 2014. Disponível em: https://periodicos.pucminas.br/conjuntura/article/view/7605. Acesso em: 30 set. 2025.