<p></p> Poznan 1177452000 1177624800 10th International Conference on Business Information System https://www.sti2.org/events/10th-international-conference-business-information-system 2010-12-17T15:43:41+01:00 2010-12-17T15:43:41+01:00 2017-04-10T10:58:34+02:00 0