@book{Stankiewicz:2019,
author
=
"J.Stankiewicz",
title
=
"Management-Poland, ISSN: 1429-9321",
publisher
=
"Faculty of Economics and Management Press University of Zielona Góra",
address
=
"Zielona Góra",
year
=
"2019",
volume
=
"Vol. 23(no. 1-2) ",
number
=
"no. 1-2",
}