CINXE.COM
Just a moment...
<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'managed',cRay: '91982bcbcb81407a',cH: 'sX0tzUAOhJNrju5ryqEs.fUuPfmwOSl9JaLxMxOrDtI-1740827040-1.2.1.1-Ucg590ly4W_usLM7ok6dMjW1CMyL3PJWL5N_eCDYtPm658ZMmfpa8l8ClEoawfL5',cUPMDTk: "\/search?q=Yusuf%20Ucar&__cf_chl_tk=nsCsh7JH2HVnWqthbqw30FUE6uh8QkL02WN5o5UQmjQ-1740827040-1.0.1.1-YncrUZMKwMyP_.P_BYCN5df3a4AtRcigymjbslM0blo",cFPWv: 'b',cITimeS: '1740827040',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/search?q=Yusuf%20Ucar&__cf_chl_f_tk=nsCsh7JH2HVnWqthbqw30FUE6uh8QkL02WN5o5UQmjQ-1740827040-1.0.1.1-YncrUZMKwMyP_.P_BYCN5df3a4AtRcigymjbslM0blo",md: "_XvsdqIje79rHRAsDrF_.CTVxuSN3pmMA0sOATntPaY-1740827040-1.2.1.1-q4IrWfzhSw6n_Mr8qs7mrcr1UrXCBAwoDa_lBqUBvoKU16S4PNqJpvhYHAOUa.zwO7Yepm3wwgNF8SEZP6U.CsAQXvjrr58MCpJNbazw_poeg0NLsWZkw6EBtuAufWMY612megP366gPH5COL_plgxJKLQS03IW5rs8yjHBwxPzNfhkMKHSAAMGPzcAvh110l3_Y0W1OFbyMREbBUmn8NQtB5HhDyDcXPD1wQ9dqe4xV9om_VZS_YtycM27Q3DrB2Ivapz832cfl2nnBtITweTmyNCm7n.gmdfaXxaHjwHcD0hzPv4LhUrxQECQYHQd7lVpSoIYb8r4v_asmRZEXgB7FbjnLEaP17DWnxZCN3e4zG_Dvqagqo36kfHguYrf3ZjlrRyXK85UguSIeMge_qBGsPPrtMWABK7U6SnLlD7hbXiFyzj7LWM3b644uOyUKx.KFqrpEATtDdL7bx.9EGDrKrrdJvtPk7WC7v0feUGopzWmiVPje9I9PBdDOKbFtYO4cs_GfaPK2fIhSGJ1iLsbnw9cNyWjMXfRFfidHy0PRCodLUyJrsq..AnCNrxCsGa6vqUljv._tzehb5ya7YAcQZ7POLqeXgDhBHf_gW9hmSlADeTe3e9EwYlORKx2zd9Ycwy1JkXX2pHFVShPaYfCOXzGly3dimiyjdVW2rUfOQLmi.CqLMWDZ7R3NNXXfKpaaLC3CGqk2qUbGVB26WLvLvxjIJSX6BOhzr3PsEoRXvI_YASQBGWQfBdCz2Jr9qjYcLwVPlqgm9nAD2oBVR3yy7Y7J.9wiEqqZFHXS86sHH8r8305jlDhvn.qYbWvQoxv7v7t7iD7Q3TuAsZ0FL7kSxRBICx785ZVwdmrsjt6vjmmDcXVXBHlV6_YbcTyztbCi0sXcA5htN2wcoMKyTwrHw.ZjYm.DPKAkXXiOzWJlJKy5WAhzhf_NYQxR1RG7EyKeokBvhuKt2B3VaylKOX.d87IsUmfPgTb7nnCn9aEVIupKOv5XIO57D3l_BW1XYyZq7uQaL3iLF9rcSuT40D5LegOAMIzASQNRuT8sBATmlNea4p8J0fHxNCvOXkhtxUioiEOZg9hNz28IgCFbqIvXgHs99CwSxHJJZyw7ax4WpEzi7S7sE_q05p4rIh0RGaU7bSf_Wn819YBDwcBrh3bygzdiM0bqxFtg6unGrGYFUapotEfdCDRwgUSXqDNQ0Wlf79ya.ogvYFybonOqzRM0wYDzGWACjePPnG8Ymz4",mdrd: "ObEBNbV74aGldNxPHeLgltw_ckfgrIrMSdJAPKPD5ZM-1740827040-1.2.1.1-.xi3K2pN1RWs5oFJYKbReVGGmHbVE03IYmc4nnsMLABiXHxYtkSsWD06Kjy7jczPbRKXtw.6JBTuFM3D.xUfJK.rSQmVfajpCTf_ysYPhc9qjkXY7EG8wPF7Se3J8saWoCeLK3O2t737Y5pcBznWkr5em3a8zqkPBCVweNSMci7Hu2FplladLvzm956BFG2gJG2stm2R.ga2g0.hWvTAMhNZrd3oVwbE.fOFu17U1wuyIH04BgLNp7.fKh2etkkax3HmgHbl9U5lE1dyKFczzC.qPEQl_FcA0vJu2XK35CtxjWcwLDWjsgItqdcefRSpHK8ISXh.Yb4USxZpfqsAoKVuFsjvJy1vxxW3sJSwm9Yj69yE0DiUdFXhaw2JmLNKYtEJSjb.mJNshC2truxPgLkSOaCCbwz1NLx1ZGbkqkjpZHhpNm3DSOV.oojv6QF4bAzvGj50dMumJ16fwR5oEGoHs1.XmIMvsaj_O8pqv9WYc6ANkyY3j1CEEw63MmVvsneq4YqeEIXwd3llecHCTEIhlOYrZCmb6NnQrx5iZ8Agcf7AWkpNadLnu89TgSzYWi9tSgVo8dJ4fpJRibgs.xUbXZ80hEbzYdPD1lXFX0eqW3IpcIsjDPzQgA4UB9LRsDsGU6YbRBuZLX2rtQwysiCtY2khKozPVmqi5m.cMnbQEm3i8NAKDyyEqCdSa3iZpC9194XCzYrgfRe_uNSVbI_URyk0xM_Z402_9sgZnA44.M0JgfIpRJPnHT7PPQ3ZogciOIuKEzrbyT3xD5HfgyR.bOJciu1c9e4rXEAp6pvxbjXEDh48BEXsJQrZU26mkexc.GWK8NGkrAzpyRoGI_nP1vQSObZP.dJku4HJ1x.kU0OUeLyqUIjKhUpYBYfjjD0_ec6GPrus1NU4kjUaTu06gIr4udeNA9eTOUKCcYlrMLmsbPVI4zWqdEx4tU.0_lbtR2eMqRJmXDAHFKO1Ng2I266Tj3YtnyeLyE_gUkJmYMSesnnkudMBFsdSaEYW1ry4chLwhGrVCvErFimQo.EMSxpIssWCe0kh1ViVC4xLQt90Dhx7OITet_jlwzK_1e9c54QdhVFw3Y39KRmbGdSiDGHGR_O1Ne90jdOwpklEmvWqJkDqt3JxkMEX30ygRGz85qiS9lvggtqjMQtrCTFTfPtCzPE62FJhK5kC42I7OBt8aR3KhjjhTMjINwKvbu9D.bQ.cTPUDvustUR.TT7WgfToIHbWGjE8KgXoLZJ7J8tDyuwWbo_D62orWYbe.2ZyQOKdKy3.ahXc2VbZBX4D9EYyihbz.vTxfy7rZ6dvCyj8nnYjL8ycrE_J1klgPBhRSzwbOsQ8LGSsmuGxal04ZLce2LHOThDk8J7eWEnC295Yy5.V3pFqAZwdG4oXd0n2EKJ36XJrSHe_dTQOEw8NZVw9A9ZCnsT8pHl8DWDvFYf.y70tnvm9O.5eLz.cHci1XGqEdYxOTIlJ2er04ycl.ostxn5T1FDa0ZeEa8wcHcnyHr60oJ66npijG04rQryb4m.JIN._sjFt1TiD0rxzhEve_unWditogDdZjCj1loM6b59KhcBllMvRWg1WWmt4QqLK3PfPr5i79b6lHr0X3PEXqf77puxt._XDU5tr53GmXgBFvjuJZB_Ce_guOojIaCJ4HtAAdbD1Gsfd5CN8S8Ulq_KjeU9Bgy4FFNlsGH14cnuykGV_Y8ZTKR1vv_DkBzc2Mvg06MmZuYOst.QKshsn4gtJWo6UMxyKi4PjrzwOAsSZvRV1sNG6KspnBhSv.KpKzcf8B5hIv76fO5Kxa4dNun8ouxEv9hNB2LGU9813db.20wGD5S.BDTB0XEqJ7rSU_ldZknPZ4iTauHkk6JaWG1edWGTKb0rEFdOwlxr_8h8KXN6jvaUp4GH7Rz_GettNd6ULapTqtMeVLBh9RQ.WwM7mh135CmFldf0S5N16ZFq3dZJqQ_6NhR7E2PnvYQ5MmjI9qLtc0TeWgg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91982bcbcb81407a';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/search?q=Yusuf%20Ucar&__cf_chl_rt_tk=nsCsh7JH2HVnWqthbqw30FUE6uh8QkL02WN5o5UQmjQ-1740827040-1.0.1.1-YncrUZMKwMyP_.P_BYCN5df3a4AtRcigymjbslM0blo" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>