@article{Kowalczyk:2017,
author
=
"E.Kowalczyk",
title
=
"Social clauses in public procurement as a premise to optimise financing of the tasks of government units",
journal
=
"Central European Review of Economics & Finance",
volume
=
"Vol. 19",
number
=
"no. 3",
pages
=
"31--42",
year
=
"2017",
}