Business & Information Systems Engineering
Business & Information Systems Engineering > 2009 > 1 > 5 > 391-399
Business & Information Systems Engineering > 2009 > 1 > 5 > 357-369
Business & Information Systems Engineering > 2009 > 1 > 5 > 341-342
Business & Information Systems Engineering > 2009 > 1 > 5 > 370-390
Business & Information Systems Engineering > 2009 > 1 > 5 > 343-356