scholarly journals Systems theory and analysis of the implementation of non pharmaceutical policies for the mitigation of the COVID-19 pandemic

2021 ◽  
Vol 0 (0) ◽  
pp. 0
Author(s):  
John Leventides ◽  
Costas Poulios ◽  
Georgios Alkis Tsiatsios ◽  
Maria Livada ◽  
Stavros Tsipras ◽  
...  
Keyword(s):  
Systems Theory ◽  
Pharmaceutical Policies

Purposive systems: Theory and application.

1965 ◽  
Author(s):  
H. Massengill ◽  
Edward
Keyword(s):  
Systems Theory
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