http://hdl.handle.net/20.500.12397/13486 Fri, 01 May 2026 07:05:15 GMT 2026-05-01T07:05:15Z http://acikerisim.deu.edu.tr:8080/xmlui/bitstream/id/b40adcdc-be9c-46f4-a075-34c578cd98f9/ http://hdl.handle.net/20.500.12397/13486