;Grudecka, Anna (SGH Warsaw School of Economics, Poland.),Witek-Hajduk, Marzanna K. (SGH Warsaw School of Economics, Poland)
（1）
Adriana (University of Warsaw Mica Poland),Anna (University of Warsaw Horolets Poland),Mikolaj (University of Warsaw Pawlak Poland),Pawel (Warsaw School of Economics Kubicki Poland)
（1）
Doligalski, Tymoteusz (SGH Warsaw School of Economics, Poland.),Golinski, Michal (SGH Warsaw School of Economics, Poland.),Kozlowski, Krzysztof (SGH Warsaw School of Economics, Poland.)
（1）
Karol Rogowicz (SGH Warsaw School of Economics),Malgorzata Iwanicz-Drozdowska
（1）
Mica, Adriana (University of Warsaw, Poland),Pawlak, Mikolaj (University of Warsaw, Poland),Horolets, Anna (University of Warsaw, Poland),Kubicki, Pawel (SGH Warsaw School of Economics, Poland)
（1）
Warsaw School of Economics (COR)/ Malgorzata Iwanicz-drozdowska/ Jakub Kerlin/ Elzbieta Malinowska-misiag/ Pawel Smaga
（1）
；Gorak-Sosnowska, Katarzyna (SGH Warsaw School of Economics, Poland),Markowska-Manista, Urszula (University of Warsaw, Poland)
（1）
