Business & Information Systems Engineering
Business & Information Systems Engineering > 2018 > 60 > 2 > 151-166
Business & Information Systems Engineering > 2018 > 60 > 4 > 289-304
Business & Information Systems Engineering > 2018 > 60 > 2 > 151-166
Business & Information Systems Engineering > 2018 > 60 > 4 > 289-304