Conference E5: Economy, Energy, Environment of European Enterprises. International Scientific Conference. Conference E5 - Economy, Energy, Environment of European Enterprises : Trends in Application of Statistical Methods for Quality Improvement : Reviewed Proceedings of Contributions from the Special Edition "E5" of the International Scientific Conference : April 24th - May 1st, 2025, Dubai, United Arab Emirates. 1st Edition. Košice : KKM PHF, 2025. CD-ROM 146 s. ISBN 978-80-225-5269-1.