Vol. 12 No. 3 (2021)
Published:
27-09-2021
Creative Commons (CC BY 4.0)
The journal offers access to the contents in the open access system on the principles of non-exclusive license Creative Commons (CC BY 4.0).
p-ISSN 2083-1277; e-ISSN 2353-1827; DOI: 10.24136
© Copyright Instytut Badań Gospodarczych / Institute of Economic Research (Poland)