PARNREITER, Christof. Managing and governing commodity chains: the role of producer service firms in the secondary global city of Hamburg. DIE ERDE – Journal of the Geographical Society of Berlin, [S. l.], v. 146, n. 1, p. 1–15, 2015. DOI: 10.12854/erde-146-1. Disponível em: https://www.die-erde.org/index.php/die-erde/article/view/140. Acesso em: 26 apr. 2024.