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="120"></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: 'non-interactive',cRay: '9134d9074f36fe83',cH: 'oTnts8V.wc1.12S5jBwz9._zeIfsiuoC_N1v4dN3gmc-1739785560-1.2.1.1-SDpAJnb_CgM8oInBUYdXD14nL2K.hOt4Ctc2uHAtj4w1YQLSWchhmjtE7EYQEnjV',cUPMDTk: "\/search?q=Ahmed%20Omri&__cf_chl_tk=0j8GYsxMM8goHyYL2oyBgWSqYPZbaZdGVG_M3fQelx8-1739785560-1.0.1.1-8fIereVN3TEUst5L_.RViCfnIeWrY2sVCDhDnWa6zJo",cFPWv: 'b',cITimeS: '1739785560',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/search?q=Ahmed%20Omri&__cf_chl_f_tk=0j8GYsxMM8goHyYL2oyBgWSqYPZbaZdGVG_M3fQelx8-1739785560-1.0.1.1-8fIereVN3TEUst5L_.RViCfnIeWrY2sVCDhDnWa6zJo",md: "QcLXM_XtfbtiP.K.R2LXzfkQaoyNlQ_uTPxT.veiwPk-1739785560-1.2.1.1-SSp8lyeRpgxGqA5yJvZ6Nqaw38Q5dJaSUL7Pej9kFJmU5wW1u4VI0XT7LgDApIaCQhkpcijKbNl4RtJmOS6vakRtK_hVwUwMglqVvdYLEotp1CdzF3ZcsvBVLi8_K6ro5pOJ9kNSMh0j4gwd8kX3t1GN1eG6DzdeXGEpRBoOz_ZD1eslj.J0ljoz7YNFr_kcScCZEmBRHSKK.VFymOI2oe6AOYCAvI33Bopd0884zZqjAIdMwvm.MyUgX3YaKI4rhh2xcihQCGmQ6wbHZD0AgzVex9JUWyU.U2iViMpusrSpgUv1JSMJrgutT0TWsNBaElPYW6OfETdKBelSt5vGfb2RSYZTqdUuprPAnwhdinaeVvteUEgMijQxxFgpOsOCTqxqaTEUAYuQpaGxUbteYExf.iS5gdR95zbafwf2fDRpUBsENJ21DB8CHbiiRNSOIsTqJ1Rh_TkYnkcU1m0H4WnNLHxQzu0hWtpvt6OpAJ3JSdqT8CssT94Kg8aDBk2muQ61MniMlH2FALIgH37zt1mKG99K9bYhwtXfiyYMVB0usPLhU5tW4LVniDi9k6n34TFQgY2Vdx.aYisNK1Qq61V6Ls8loUP3.3cxLnKL08AEpSfRdQzEriB9_XnPM_xXcv50slaMfr4nNlpBfGtjqci7KFgcanGkiwWsDRMrouJqgqy7ta0RMZnuoivOt9LZat4xCNAB7NaIBiqBRqRZn1oSVR4ATxjkDQtvyQWwykiFu.yNloiwZEzQjA._KSWDf9_5_JUWZbjpwk7Yp6UA.RtKxggoBiknb1kQ3krcnw55xESpTowfJMGw8msXNI.Q9M6HSvwErSM4DlPXzWKQO00AYz5v2gUjOj4kIurpGFII1Oam5cn7NIGoyMiEEcGRSqj1FkSQuClo7o9oDSoP86LRtct4TpHyi3Y4m8CaS_5EtOHTOKJ7xXqFAso9TuJRB_uJ8WKbEcwFFvE4pJzoiPuh_9S1OVTxmRw1ujcSwP7cIyk4X3AMxr5PvASh4ZOUn1Xiut7guMwQbZ9u1oRrwXylw9hNM9APbgiEUEl6S75R810Q6RgYKDQmYeC8kUVsBNBlrR.8Bi.vggHZXPfHZvNb2P5ddM8Us0uup4ydcNRC71ErqTvcrjg1OhVM0pAuaQg3iWus75qjSI8y7wTc_qM1V_xFAtzNwhdS9M6Bl2p464eOf4d2cMC5.lvMxkrD0aj7tQyI_HQ1YAJY7ellQxws56ZvBXAPDngHxw952TlU4eBAG1Pt9P6bYBEGuD3TPAHetHG4wVNgrvbr.epTFxvsYsgAVSVIuBcGtHqFb1PMfM.3whiDAT9cFuoQVFuS8oOnLDO.qZs7BH2lg.YGsydeegG1y.j6fFFKMZjlJvzP1rWc.4wcjwhQtAjkQDjwh9he3SMZvb2_2BoGDkxjuSzCMdRbTgXQOprZn9jIrXuLGaO3bXNuLi.k0_ZU4H8glwqG7xEPQMZ1kUrTMXg7IjdCztj6bNCskKWSI9L_nPaaqCjvaW5lJdfM_V.cBFSmakU4xojasgnNMsv4sxR0MzhYClGcQrqx2nIgagir0QaFDAkz.N7a8l61mmEkZiYDX9MJof3Etgzh_TCp0p0tGySn4qMT9WXtuqh4RqvoWWs6FTor4clS15NXn2OoYROPHtBw0VSnMgwmYPpO0f2yRkWPVb7R2SIag5abFKB2YdZwTKYZYhWUjYbLUiUMEB0qmL.HOAHIh5mHkDl8xhw.cC8WC4nR04fmH2528kKqvvTSfQC.a9.47LqoJBti5o.lNWXEu7wrOlitsOg3K5e6optw7s2nOFmD1VrHkQ1bRXbw92turuq53z4BlFoMc2G7tSB2mC2firMOKSFdzEqoxTK01puF47Kg6T4CZo.k5pDFS8vsmsA7P0tv830zmU8q",mdrd: ".iGdFcXLLMAQFuYBegXSK5vPknP2lKi1stPsVp2vHYk-1739785560-1.2.1.1-ELYDe92UYAHEWH.4FR9geVBCmjFQJiyNMtxpPAVOAqeaGncpUfgMMCT6galsC787Oo2Xn7UfWdLzD2FkEkZ0kpSLNmlmJ.8KoQ3iMZJz6ERwiDpRwz1NGe4E68GhAlKQJjUmCzJp5cXXnLTrKt0yl7S_oQF1uK._JuKYoXz.e.DFW3aK_cQW6C2A1Boa36RTe9j7o1mTKmSU760MSEmuWjF8XAVXmTiw.JTRzzMnfvL36EL6cm4k05L8QFKZiUU0Bzr1qU5hi1wGwiOGmqq5QQkgVKtjFRvEBrqYcNlKNfIB3fvLsaG9B9zNBQgDBpsw8trVsjlrF9YkvjU4hS.DpiuiQCYh4chbK5uJZt0goM2ROp2An7FZ.pHY1VPuiYloXylx4JbkJOl1z_1bQKhmDXr5yUVJ8Kx0IocjrO.qZfiBp5cdOziFZ1LUKoG9S7GkHOhrnseCXO.JhNd7Y94vg_KRvKyWJkJ1kKdLy7QwSMTltQCwjrWcfGtxfpHLB3o4pt3gkcxIHg9TFsgxQtm_3DM8sAJ34Lr1nYBiSwnfZhsReRPIeiVQscPwmnwIOGDmgvCcX0c0PgGGyP4vQNqsdCNdWsRdv5qf0uSJTj.JBB7QbgLrGXJq35tvPXA56z0ZvS2ucF36VRO5ycKVDq_67hnHyKdzCfgPnQFdgYLY..mgJvDSHPGgFO9CJmWo2vhF7SR0KTl47UskE52nO6fwDip9nXnn3Oj8S_Cm85BVHUBNYrKAmsUjC8h5OhsoXlNcHttBMxiSW0ckNtZ2jQDfngZX5QmGTtYTd4q1Tz8_ayDsqcLCYUtXX8fUYqPLciky2Xjl.jw.7Nf7rovjYnY5hgf1Os3u0rV5pV6U566OHYMkn1HKb64z.FW5ofaZi3gvdBjd3_BT1wU32wrrgqAFqfntoLrjQ4OoWI.N9vOScInAV741mxlIy2RF2IfaqHY96Z9f5vmXonbT__Y4LPCyn7vNd9GBU2eVQLXKUKdLQ8atywo5yxVOX.aLy2nCA2hBWh3mEyu5naiXI4Klmp5vkslwdj1RonCxux5abICdsZj.B8fozpzUGLxtsTCFbsRRvrabibt26TxKBkqQctKb3e_JN60CsHm7x2ElbJqd6e_9F8toCUYVN38FFFYJ6kGKEcL7Lafp3JcqwYhZQ6osIoT2eo9XzsU5eDhW6gkU3INne7cIb6_FoM__6F1J2MGoyfW.vROngzIvtn0QAJMNPrNfiM3eo31UIswKsZ76ueQD4tcM2HeH9vyYWL8xFX_LqH55ZFf2ESdztYzD3vG8VMhsAoTFZ6RFCaBp8rqdT6ZXx2xfPCf3KPjTAafEUv5hajNehaja74xQ9GRwJGFX9RC1QMM1wZyjF0hpkmY2eJ_6WLnykpSYX_Kn2hbx_.PBdJIAXHmbneMoZLt4MBVEtnbqHsV4cQ58LV2tyApl__oebIWUPR2uRAAs7WPVZ4l_BoL3Elv35EGAZheFF3ZWVHDHNlrrogKwjwa6P37q603Vt_GjxMJE3focwmXEHgugAtQc3WjKSho5GmDP3ueoxH1hKFWtdVejsEtXsMlGF.lr3JvfhlqheyNzeUHaq4D3AUJm2cqMI7k7aAwlZFXGabjXdGu5BnYUOvS9x21F_3IAnH4qKPsWJ5n__IUEyAUYXCgmEgD4npyQlnjp4F3hgeefe2RQONi9pzWgrm0QF0IeCyIAETAe0MBHG_RoA3xCyokiiNaMTLyeUNTjMP3uBN7TIMkFH8pDJiS271AJZmVk8NUyALf7OBv9hg_OaldkIwQL.UyAiVLtRrvZmGLJV8377hR_wx8jNIeEXTmB3Ghn2U_Lzu72LS_szS2qPRECtuNsxxyyvbHLtDMQfvfFqun.4paZQbQzjZmjAE5quN0wlLGY0Y1Rfzrzi2MP3ggLN91Dyr0FsN2L4TbY7ZNVystgUhoB3.dYGL2Qc95TArJ02ZbRFtykoT4kkUSBLuIlHIMLboAFTPVB9LineGb1VQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9134d9074f36fe83';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=Ahmed%20Omri&__cf_chl_rt_tk=0j8GYsxMM8goHyYL2oyBgWSqYPZbaZdGVG_M3fQelx8-1739785560-1.0.1.1-8fIereVN3TEUst5L_.RViCfnIeWrY2sVCDhDnWa6zJo" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>