Publikacja dostępna w Open Access na licencji Creative Commons Uznanie autorstwa 4.0 Międzynarodowe (CC BY 4.0). This article belongs to the Section Economic and Business Aspects of Sustainability. This research was partially financed by West Pomeranian Voivodeship within the project “Socially responsible Proto_lab” implemented under the Regional Operational Program of the West Pomeranian Voivodeship 2014–2020, |