共 61 条
[41]
Read S., 2020, BBC NEWS
[43]
Sephton C., 2020, ITALY STOCK INDEX GR
[48]
Statista, 2021, COR DIS COVID 19 JAP
[49]
Statista, 2021, COUNTR MOST TWITT US
[50]
Sum V, 2012, SSRN Electronic Journal, DOI [DOI 10.2139/SSRN.2073184, 10.2139/ssrn.2073184, DOI 10.2139/SSRN.2088700]