[vol.1] Vesna DROFENIKUniversity of Ljubljana, Slovenia [vol.2] Julia GEPNER & Asa ARDIA ARISWARICracow University of Economics, Poland Gadjah Mada University, Indonesia [vol.3] Klaudia Anna SZAROCracow University of Economics, Poland [vol.4] Skott Steffen NIELSENUniversity of Southern Denmark, Denmark [vol.5] Lea SCHLEICHERPforzheim University, Germany