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Nina Szczygiel
University of Aveiro, Research Unit in Governance, Competitiveness and Public Policies, Department of Economics, Management, Industrial Engineering and Tourism,Aveiro, Portugal
Silvina Santana
University of Aveiro, Institute of Electronics and Informatics Engineering of Aveiro Research Unit in Governance, Competitiveness and Public Policies, Department of Economics, Management, Industrial Engineering and Tourism,Aveiro, Portugal