Correspondence address:
Prof. dr hab. Krzysztof Jajuga
University of Economics in Wrocław
ul. Komandorska 118/120; 53-345 Wroclaw
Correspondence address:
Prof. dr hab. Krzysztof Jajuga
University of Economics in Wrocław
ul. Komandorska 118/120; 53-345 Wroclaw