FILIPOVÁ, Alexandra. Zlepšovanie kvality služieb prostredníctvom štatistickej analýzy spätnej väzby zákazníkov. In Trends in Application of Statistical Methods for Quality Improvement XXVII. (2025). International Scientific Conference. Trends in Application of Statistical Methods for Quality Improvement XXVII. (2025) : Reviewed Proceedings of Posts from a 27. International Scientific Conference. - Košice : KKM PHF, 2025. ISBN 978-80-225-5235-6, pp. 40-45.