Global Value Chains of COVID-19 Materials: A Weighted Directed Network Analysis

Georgios AngelidisCharalambos BratsasGeorgios MakrisEvangelos IoannidisNikos C. VarsakelisIoannis E. Antoniou2024-06-172024-06-172021https://dspace.iee.ihu.gr/handle/123456789/9510http://orcid.org/0000-0001-6923-4700Global Value Chains of COVID-19 Materials: A Weighted Directed Network AnalysisMathematicsjournal-article