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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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: '91340c828e45a3d5',cH: 'FFQR82UkLg4eT_AIcpnpTT.ih6pzFqu3oO3Q7trITLM-1739777183-1.2.1.1-2dUtmHOxjQYPG_oc9F49YHaoE6WjvZ_UtYyAC4z.BZVCj4gfmSJdZt8qKbhPRulU',cUPMDTk: "\/9999104.pdf?__cf_chl_tk=zKcjBL6wFsTErExzr8ceSCXO9nZTP_aQ7nJtjCBySeQ-1739777183-1.0.1.1-w6vuqJWfXqFLUtpTk2LUL1dJbF345..xeEH.NdFdafE",cFPWv: 'b',cITimeS: '1739777183',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/9999104.pdf?__cf_chl_f_tk=zKcjBL6wFsTErExzr8ceSCXO9nZTP_aQ7nJtjCBySeQ-1739777183-1.0.1.1-w6vuqJWfXqFLUtpTk2LUL1dJbF345..xeEH.NdFdafE",md: "Kli6lANhEF51zwxEOAgW3ZbV7OZWkR2Sd0DiZMR4lgM-1739777183-1.2.1.1-Hxx9aUknrtNsbADUB2vUCQ9YtyXDLOnbDgvbCTmNATRQpVrC3JB31wUZhkgUyPs1WlmvUPNwVsDSRqqOQTmMEdwghMw7GXv1jkXcfGyz2NTuHDcdUXxosZKO3JTAseuXeXBGWzLOEKi2UAMpW698CALxqDBARaOLko4aiGSoLQOnsn1TKJfVQGw9huNnJ6GWx1i6_.cDpbdVBfKaG3W7AoevM05.2lnHlEj6IVgIFABxmsPHaWbQLJnUpLRqYkLUoEkzix6vW3qG9lLT7anXRip2icMO2h8u5C8m3lV6h8jrtWnTNRG6AR715HKR7jiNtC8TeUgjOI1MpGP6FSwKIm6GXbwPYSTfNga9Ts30bcRFTruOnazy29Ef3JXfxqSI9fHLnRJnCKKRgOo0x43GNeMtccb0kWBz.tPNqK.eWYsMFSBe_VmIpK3yduZaITTQgilolTxW07BcnmxjiJSxWNC2DQTrvb1b.bcSYY_.ZqB5J2xV8Hkn32hrQ2457TsXi8zKamPuH3Dn.s3dV5IUP2qjCmDUcFuwXE10pcxG9OpA7BcgehEXnZMdYGc3PdEq2rHk91krSjMJ9bntbkjN0Eb1SZ1xTOZVtSK39Oho8B5oejVapNbpU8wHliz12BVroC1f8rUg_uih9xbZMxyEZIrQ7vVVG1od2ryoHNbYhl96Y3SMZX5jNBzVUGl1bjfUcsXK39GSiDKZZtmLhsDoxUnGICv1FGun0_vvj3Es3hu05vVc4sT.p3oOG0Ju_Yi_0UgdlTtCmLsZ8gTPaq3FJbDsK8NONE3adstHnocU_t2qSxodDRO3Rk1UPLTUDoXtftf_pawlL5oOSIpDdyOkatmjwwLm0jq6TDZ642qdwhNeKleg1FvMeoiTGDK3ejjdb42IAtZnwYB8ofHRPnbYkUXyPyKBWDSRGD8hYNT.mDB927gvJL6oWgJFm8gpf1i.17nYj5c1Ad4uns66WmeQv6Wc4dzyx8IkmiteAKUQOnY0k6xbT4jxZk89Yj8wO.CztvBIGpDEvrUIUQdyyVXx5jb98ocNJvlrS4SWJx6BGejyND1jG0Aimyu.W7.utoquzn2K7NUFYZzcgdP1z2kmm2wHDv0lKx01P4csEtn31w6RkWH4ols0szVzoZkjtFSg1Ns.EQVDvNmyXpVUbK2PD9oy23S5TUtgAdqW2pT7.eskTwSBaz.5.wYLVda4aZ8VE6Hg.nbSBSSeiJCc1Hn71BZD4q_o7KOSAAPCCOjPS1JkTYZvIxwpeMxVFMOJ6iz2l3Y6q01Sp3qIZoLmRLV8tjwGzyO5qlTv_IWOYNtMjmBIMKObH7pqJpIuNGjrR_DNe8Z8Pu370zp.Sx28_kY2N4pdKIEz1_ILJGbreoeNXOIkqTt5Z0afPCKd3X8.jxyh9GjdVlOF7zHKtPHhbnl1Q_WYFDuDKe1jqW89gpR2TZudWEqyqjrN7apSpsUtHzGLBXflKMB9x3L5N9oXkGxQRubdeF5Z7b.mCVYsZUwu6MT8I1ZxQwesQcC9LjxCKyITZyeE3_3yWTlMyPBV_97puW.vwYTtMwsTs9_B4IWmMBh5EDff06xCDge2rwtcipGHYEjtouPIImcKmT8ln1nCl2MbxFapKAN5D_86bI4vLy_Y76i0jkJ8qCdIuurTiupnWq6yBoPMLH1MHS3oY3Y7q8q3c3xEKwac4.c4YlyFur_dgIq_uJuGyQZlCbyZ0OWaZZeQi0an4OVSKpL_BVAbpcO44RVZY5J4bWRcOTzyAeiqHkVyD3SCSyQVcTKEKyrpMUMrtvQ2Im2RaOaGSRiDjLnf6WjpoJJ1sOKQadr0tpWm1N9j2NtWdo9.uNLJisT47sqZZp2AA34cOj4f5VyiZdUdu3EY.k4hQCjyfOFBwDs",mdrd: "N077TKFNjWogM4sq4e_TnjBGWwZuHBVhGFhB9XByGvU-1739777183-1.2.1.1-l4jMvr1PkrCBO1V.7bYjbxcbN1TIFehIb_Emvew5HwDJgHyFXgKNsDdo9n9_gs.XkfZnL7AUjcHSYTTpHH7skSJqGBpPyaQyEfin7x4GHw5SdgTitjZQjc1F9H5wsafKPLlQ3Be2M4nI09YZNPTsi9GKu9g7g_jlxpzwAlYg20qiu0XlGUX71s33tdBX7nVZeUzdHAqTTAvtIRVPL_B3H_XPg4rzIWVVBwVk5vRS4VRBPc_6MB2WXbefjNGEJjjSOCUhg_AO5JPryP0zjIUz54ACOXfcAO38xqcgwZHlXJY.rpMsHEnMUZEyY0Kf.U2WgrdJRr3xBozDmq0XAp.xgDHmHDC7VIKRCnADuTfMQD4dOEvLyLU1wcQSGu0hioRuoQV2iQ0wtZeqYd2q99dWxoqEZSe7kzRTf0CBBLAiTbFXJXCZqrZz40eNd_Sf3UU9bqap0zCWQew0cR9sE.Mp4oKfMaPLzLLfQxqV44y9BNcQrn3vXbf6nWIIvS05bZFX23DZG8mDHbqJFAAOlgFDcNFhth004jh8lP1Y4YIRcyuNZiLIc2DdYlKsYkeI5hQWMGxioJYGsLfdhQ89TvAXLWjrwA_887i_0Q1ej.qVdQ429NyT0MOXISDqOT9g7RCLMwe5j._ijYhbeGh2kb0jEPVLibFPnaoNh5xiHzkO06Ptgt8Sp.08k4Y43EZdGxglEdt2cNocuH3jJxd6GcwSO6M16xcn4uIojvktHwuNkHmdukqoX98rhOv_dGvRxELH4bCX4TPze7kyLSDxJ8wDS94ekU1uwcK5OhBgl9h0yVgwCalRLzZludQkIxo8wrAcYdq7xL2N1iU3dXH35suo2q5PlkaO_koV.7h.4TCkYIUe3gtnTj_aGfaOnC4rDBB6fZPfLQjMx5R59WUPozORPA65GE1nRS5FU.k.OnvsfkWDKPeG1tqyI.cRH_JcLdHdWchHmQzXsj2phN0o1XZJdTRjUuM43_XTTIoF.t8a0sFuPJX924.kO7QFerBJR05QGWoA0oiQv2LoalrRB39JmAi18A8w6AH3CjtUNZQ.63.xkzvx9UMDtVaNCkMmp7Ih4C2QPl6ZBekCy6TlVR_6hr7fFbMvHMKa.cikAzrrqSm.NNilgFt.xR_PVksdJcCFgWQkBesPuqAnarBYgji.5ZHSQ4TNQVaGWWwrVALEte1CfnBtcxPea19UvOC68Z3HVi9uGIwSsq5PijZluFL9lbqePazopv2TjUrhb9bb8lDxtyaa.o421HrBw.rMiOygWD1hqYwbmFq4El1f_wpsyReobuef73JB2LHS7I4gfQEi8gLwKNK7o5xJbvS15OqZroKUuz.TLeCLAtzVqinVhHd9hDd6DGm7Oe3We7R8_jZ2w1tsDfwvZiYXHb96aX3ytoUNbtwWyTl6Jycgpt.DGyFodeGJH.zrQNadNZIoYmTwG2xDsxqLhaUPPa3az2mL9_Ez3H.QwFVfLNmHJ1lmzPgw_LMsKYzBD1ukIHuSM.WTX59J7foEn0.OfpQTFdhua.YTgyrCDKTea1Rpyg7TCznDjBtlewau.J9H.nvyUKU89ng_JQnXmSTymPM4uKyp1e0DSk5FpxAgnMoYMX3nM4FhFFgbHp.rxcNwKAlhsgTz1eBRyp373jdtsyHQC2T_SF4CEc.wDrA3n6OHN3hh6xiBsWL6.4DPDe7TDSC4rAuOjpRuIiD3OXUtg_tc_EW801Qbopw5hmECfmVWvFPzK3riA7FlAKHdHIygZCZ8lQk63_BWxnxqEmhkwn3V5dTbzNSEXzlloBU5toaEHBgvfu0XdhIvTQNzYEmtOlDogziWCb8uVUJoT2FsE4H4kq740GYS_0cmH6ZCnMEx3dB35FPswAdl3d7AiYUovZZyec2xPxT1zg2Nzuz.0y3YTJID32h1weKNTWadtDVeBC.w2jIVpGKsnzYhewA43z78b4JPil82KGMebNqJB64xW7mT3x.hUaEq07uoqc2AHrXc.g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91340c828e45a3d5';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, "\/9999104.pdf?__cf_chl_rt_tk=zKcjBL6wFsTErExzr8ceSCXO9nZTP_aQ7nJtjCBySeQ-1739777183-1.0.1.1-w6vuqJWfXqFLUtpTk2LUL1dJbF345..xeEH.NdFdafE" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>