Quantitative Methods in Economics: Multiple Criteria Decision Making XX. International Scientific Conference. Quantitative Methods in Economics: Multiple Criteria Decision Making XX : Proceedings of the International Scientific Conference: 27th May - 29th May 2020, Púchov, Slovakia. Technical Editor: Marian Reiff, Pavel Gežík, Web Editor: Martin Lukáčik. 1st Edition. Bratislava : Letra Edu, 2020. 358 s. [17,89 AH]. ISBN 978-80-89962-60-0. [Copy count : 1, currently available 0, at library only 1]