共 50 条
- [22] Does supplier concentration matter to investors during the COVID-19 crisis: evidence from China? Financial Innovation, 8
- [26] Influences and response measures of COVID-19 epidemic on shipping and port industry in China Jiaotong Yunshu Gongcheng Xuebao/Journal of Traffic and Transportation Engineering, 2020, 20 (03): : 159 - 167