Krzysztof Jajuga https://orcid.org/0000-0002-5624-6929 , Krzysztof Najman https://orcid.org/0000-0003-1673-2858 , Marek Walesiak https://orcid.org/0000-0003-0922-2323
ARTICLE

(English) PDF

Back to top
Copyright © 2019 Statistics Poland