Business & Information Systems Engineering
Business & Information Systems Engineering > 2018 > 60 > 5 > 431-437
Business & Information Systems Engineering > 2018 > 60 > 5 > 393-413
Business & Information Systems Engineering > 2018 > 60 > 5 > 377-391
Business & Information Systems Engineering > 2018 > 60 > 5 > 415-430