Szychowski, Konrad A. http://orcid.org/0000-0003-2207-1160
Rombel-Bryzek, Agnieszka
Dołhańczuk-Śródka, Agnieszka
Gmiński, Jan
Funding for this research was provided by:
University of Opole (DS 6/KBB/18)
University of Information Technology and Management in Rzeszow (DS 503–07–02–21)
Article History
Received: 2 February 2019
Revised: 29 March 2019
Accepted: 1 April 2019
First Online: 3 June 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.