@InCollection{Dudra:2019,
author
=
"S.Dudra",
title
=
"National policy",
pages
=
"285--286",
year
=
"2019",
booktitle
=
"The Dictionary of Political Knowledge ISBN: 9788381801171",
editor
=
"eds. Joanna Marszałek-Kawa, Danuta Plecka",
publisher
=
"Wydawnictwo Adam Marszałek",
address
=
"Toruń",
}