[1]
Jędrzejczak-Gas, J. and Barska, A. 2019. Assessment of the Economic Development of Polish Regions in the Context of the Implementation of the Concept of Sustainable Development - Taxonomic Analysis. European Journal of Sustainable Development. 8, 5 (Oct. 2019), 222. DOI:https://doi.org/10.14207/ejsd.2019.v8n5p222.