http://hdl.handle.net/20.500.14044/35632 Sun, 26 Jul 2026 06:59:25 GMT 2026-07-26T06:59:25Z https://https://oda.uni-obuda.hu:443/bitstream/id/1a559a1b-9579-44b1-a4ae-00f774d1379f/ http://hdl.handle.net/20.500.14044/35632