Stylianos Stratantonakis, Economist, Master in Sustainable Development, Harokopio University, Email: 

Roido Mitoula, Professor, Harokopio University of Athens,  Email: 

Helen Theodoropoulou, Professor, Harokopio University of Athens, 

Panagiotis Kaldis, Professor University of Western Attica, Email: 

DOI: 10.26341/issn.2241-4002-2019-1a-6

 

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