WEISS, Erik - ČULKOVÁ, Katarína. Návrh produktov cestovného ruchu Dolného Zemplína s cieľom zvýšenia návštevnosti. In Trends in Application of Statistical Methods for Quality Improvement XII.. International Scientific Conference. Trends in Application of Statistical Methods for Quality Improvement XII. (2020) : Reviewed Proceeding of Posts from an 12. International Scientific Conference, September 16th – 18th, 2020 (Košice-Rajecké Teplice, Slovensko). - Košice : KKM PHF, 2020. ISBN 978-80-225-4772-7, s. 25-30 online.