9th Winter Seminar of Regional Science. Proceedings. 9th Winter Seminar of Regional Science : Proceedings. Editor: Oliver Rafaj ; reviewers: Michaela Čiefová, Mykhaylo Kunychka, Štefan Rehák. 1st Edition. Bratislava : Publishing House EKONOM, 2019. CD-ROM [90 s.] [4,5 AH]. ISBN 978-80-225-4670-6.