Kowalska, Małgorzata
Woźniak, Magdalena
Krztoń-Maziopa, Anna
Funding for this research was provided by:
Kazimierz Pulaski University of Technology and Humanities in Radom
Article History
Received: 18 January 2019
Revised: 6 July 2019
Accepted: 28 July 2019
First Online: 30 August 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.