<p></p> Poznan 1019599200 1019685600 5th International Conference on Business Information Systems https://www.sti2.org/events/5th-international-conference-business-information-systems 2010-12-17T16:03:33+01:00 2010-12-17T16:03:33+01:00 2017-04-10T10:58:35+02:00 0