Quantitative Methods in Economics: Multiple Criteria Decision Making XXI. International Scientific Conference. Quantitative Methods in Economics: Multiple Criteria Decision Making XXI : Proceedings of the International Scientific Conference: 25th May - 27th May 2022, Púchov, Slovakia. Technical editor: Pavel Gežík, web editor: Martin Lukáčik ; referees: Ivan Brezina, Gabriela Dováľová... [et al.]. 1st Edition. Bratislava : Letra Edu, 2022. online 195 s. [9,75 AH]. ISBN 978-80-89962-93-8.