Quantitative methods in economics multiple criteria decision making XVIII : proceedings of the [18th] international scientific conference : 25th may - 27th may 2016, Vrátna, Slovakia - Reiff, Marian, 1978-; Gežík, Pavel, 1983-; Lukáčik, Martin, 1974-; Bartová, Ľubica; Benkovič, Martin (Letra Interactive, 2016)