Quantitative Methods in Economics: Multiple Criteria Decision Making XXI Proceedings of the International Scientific Conference: 25th May - 27th May 2022, Púchov, Slovakia - Gežík, Pavel, 1983-; Lukáčik, Martin, 1974-; Brezina, Ivan, 1963-; Dováľová, Gabriela, 1982- (Letra Edu, 2022)