http://bf.knuba.edu.ua/index.php/0475-1132/gateway/plugin/AnnouncementFeedGatewayPlugin/atom Bases and Foundations: Announcements 2024-12-21T22:28:57+02:00 Open Journal Systems Bases and Foundations http://bf.knuba.edu.ua/announcement/view/1759 ISSUE 49 2024-12-21T22:28:57+02:00 Bases and Foundations 2024-12-21T22:28:57+02:00