Jakubowski, Andrzej http://orcid.org/0000-0003-2368-7426
Komornicki, Tomasz http://orcid.org/0000-0002-7178-125X
Kowalczyk, Karol http://orcid.org/0000-0002-6998-0815
Miszczuk, Andrzej http://orcid.org/0000-0001-6928-6535
Funding for this research was provided by:
Wydział Nauk o Ziemi i Gospodarki Przestrzennej, Uniwersytet Marii Curie-Skłodowskiej (-, -)
Narodowe Centrum Nauki (DEC-2016/21/B/HS4/03019)
Wydział Ekonomiczny, Uniwersytet Marii Curie-Skłodowskiej (-)
Article History
Received: 28 March 2019
Revised: 27 March 2020
Accepted: 20 April 2020
First Online: 14 May 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: For this type of study, formal consent is not required.