PETROVČIKOVÁ, Katarína - LIESKOVSKÁ, Vanda. The Insight at the Position of European Union and Its Member States in the World Economy with the Emphasis on Slovakia. In Trends in Application of Statistical Methods for Quality Improvement XVIII. (2022). International Scientific Conference. Trends in Application of Statistical Methods for Quality Improvement XVIII. (2022) : Reviewed Proceeding of Posts from an 18. International Scientific Conference, May 18th – 20th, 2022, Košice - Rajecké Teplice. - Košice : KKM PHF, 2022. ISBN 978-80-225-4975-2, p. 9 online.