YANG, Quanzhou. Analysis of the economic problems after the unification of Germany. BCP Business & Management, [S. l.], v. 24, p. 279–286, 2022. DOI: 10.54691/bcpbm.v24i.1508. Disponível em: https://bcpublication.org/index.php/BM/article/view/1508. Acesso em: 14 may. 2026.