SCHEUPLEIN, C. Vertical integration and macroeconomic growth: the case of the steel industry. ERDKUNDE, [S. l.], v. 64, n. 4, p. 327–341, 2010. DOI: 10.3112/erdkunde.2010.04.03. Disponível em: https://www.erdkunde.uni-bonn.de/article/view/2661. Acesso em: 30 apr. 2025.