http://hdl.handle.net/20.500.12397/13488 Tue, 19 May 2026 07:40:56 GMT 2026-05-19T07:40:56Z http://acikerisim.deu.edu.tr:8080/xmlui/bitstream/id/34023e16-039f-4e92-a2e5-ff978b2b4509/ http://hdl.handle.net/20.500.12397/13488