@InCollection{Szewczyk:2018,
author
=
"E.Szewczyk",
title
=
"Selected aspects of the collaboration mode of public administration authorities",
pages
=
"153--161",
year
=
"2018",
booktitle
=
"Local government : tasks, organization, functioning ISBN: 9788081432446",
editor
=
"sci. ed. M. Bujňáková, E. Ura, E. Feret, S. Pieprzny",
publisher
=
"Equilibria",
address
=
"Košice",
}