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Bisoffi, Stefano; Ahrné, Lilia; Aschemann-Witzel, Jessica; Báldi, András; Cuhls, Kerstin; DeClerck, Fabrice; Duncan, Jessica; Hansen, Henning Otte και άλλοι. (2021). «COVID-19 and Sustainable Food Systems: What Should We Learn Before the Next Emergency». Frontiers in Sustainable Food Systems5. doi:10.3389/fsufs.2021.650987. ISSN2571-581X.