Wangling M. Structural Vulnerabilities by Design: An Institutional Analysis of Zhengzhou’s Multi-Level Warning and Risk Communication System Prior to the 2021 Urban Flood of China. J. Environ. Econ. Sustain [Internet]. 2026 Jun. 25 [cited 2026 Jun. 28];3(3):46-60. Available from: https://economics.pubmedia.id/index.php/jees/article/view/1196