Tinggui ChenYiwen QiuBing WangJianjun Yang2025-05-222025-05-222022jz000178-0013https://tustorage.ulb.tu-darmstadt.de/handle/tustorage/36346600Analysis of Effects on the Dual Circulation Promotion Policy for Cross-Border E-Commerce B2B Export Trade Based on System Dynamics during COVID-19Articlehttps://doi.org/10.3390/systems10010013