PENGYU DAI. Grey Correlation Analysis of the Relationship Between Port Logistics and Regional Economic Development in Tangshan City. Journal of World Economy, [S. l.], v. 2, n. 1, p. 61–67, 2023. Disponível em: https://www.pioneerpublisher.com/jwe/article/view/184. Acesso em: 30 apr. 2025.