ZHANG, Wenjin. A Research on Service Outsourcing Industry Agglomeration and Competitiveness in Anhui Province. Economics & Management Review, [S. l.], v. 2, n. 2, p. 74–80, 2021. Disponível em: https://www.masonpublish.org/index.php/the-economics-management-review/article/view/1204. Acesso em: 14 nov. 2026.