Economic and social development : 39th International Scientific Conference on Economic and Social Development - "Sustainability from an Economic and Social Perspective" : book of proceedings : Lisbon, 29-30 April 2019 - Ana Lorga da Silva; Daniel Tomic; Alica Grilec (Economic and social development : 39th International Scientific Conference on Economic and Social Development - "Sustainability from an Economic and Social Perspective" : book of proceedings : Lisbon, 29-30 April 2019, 2019)
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