Open AccessThe Historical Comparison and Research Significance of “Difficult Situation” System and “Change of Situation” System—Take COVID-19 as the Research Background
Author(s) -
Yilin Liu
Publication year - 2022
Publication title -
law and economy
Language(s) - English
Resource type - Journals
ISSN - 2788-7049
DOI - 10.56397/le.2022.09.06
Subject(s) - covid-19 , china , business , outbreak , political science , risk analysis (engineering) , law , medicine , disease , pathology , virology , infectious disease (medical specialty)
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