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: '913678fab93e4085',cH: 'cJdgOL3mJVdC7Ip5LnKnmJnqpXaQrC4iwtKsI6TYkJg-1739802597-1.2.1.1-wTcQTCiJ5TH.s3Gb0dR_s8XVvOidjjtNZim_fz6xuz2eDJf2in4L3Jir.9M2JSNR',cUPMDTk: "\/10004555.pdf?__cf_chl_tk=gmQKC_MxQSuVOHRF_8015rXW.vTJiZ9qUMecW1b1dUo-1739802597-1.0.1.1-Kj6.gL2uvyp_qVb_W1uP9yz6QMYDUtZU2g65FwjmA8g",cFPWv: 'b',cITimeS: '1739802597',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/10004555.pdf?__cf_chl_f_tk=gmQKC_MxQSuVOHRF_8015rXW.vTJiZ9qUMecW1b1dUo-1739802597-1.0.1.1-Kj6.gL2uvyp_qVb_W1uP9yz6QMYDUtZU2g65FwjmA8g",md: "kmVRDR6_B6BAq8KbS2I.UBs0KVJ0zDg63mkHbDeHbWI-1739802597-1.2.1.1-zJOhFFW6wjoBjMf_m8Ux8vLuUaDQcp3YUPs3BqV38peHR66waSqmfRsdOEoakD3WmmVNgJyMRuA8z3A2.eYd0pbgHm9isPPSFWQ9OxaCyliJ2_Gr2spAmevewnHU4Ijwq18Huj59GlGWEYnPm5KVqv0Bp3zByweCQ7VfLM3quI4Xs0pduL8dzx2sk8neLFuB8eByg_91PLultooyyUqi4WuqISv2EkZtx908ASiCBhb6rBRMKJ3Kt1HnQhMNOCaAGGBvJsGP1o0DW1ZXe6MUR8R_vNp5PpUfPxogSQTOrbt_8QS8GAn79hUnaGW7S9Z6pALTSzEUov4YteJdneMOnZ7WCqv3Ui3bd.ZqwB2ehREA0FL3ahp.owUqtamVLqh4lbRshfTQ0EKgi7kDp2j7Ka.CJv80YMMjs6OO_NDobhl2x8_aILtTnETY_AfYLBD.qTBqQktmz3QRQbZqHnzdjuPuxZcYWqC0EoJEJxmtcuQ2vVZe0dylHFoGdSnoDsxcjvyAQh2EHzwrTYwU3m5o7gm24jFVjHthdyDiOOju7xL.sMrwmD5ypCTbCFvrlIJox74wtqeKF5ePvMzC16cHyBx2xc4URjakzwrqys8tYryuONidKLS.EcbDJXFogMvcNH_DUyYSy8Gfs1Ci5x3n.chX8LHewuu6MTpSxCZ7aKr0Atd1GLe7RLSG5V69lQXly5wPzqpqJ_VegLVvpo6hoNbRJAK4Kr9.jWtyyuKbSE_tdKPlYXdGwJT5XOJm7HcTl3ZCzgwU.IWuGp4njDthK1jpYoMIOCmjibNq2QeAeT09ZooZLR9LAuSiVjrbqCFFvnEA050XDDNgFLIfBKcREt8NNiHwZw45uZ3K4tM1fW4qezZll0qsJmGZgJEzJV7l7e957dhBN51CjtUtpwAxUajSyKd.iH23MbLxymY2qGYqkuR697YGY.EI3gbmo04RF6yzHjiLg3IiPI9fc8eqgAtRJjKETZcW_rj8y4C7x7M0eCBBZ_dnVHINEPwkfnOhKshpzE7nLxOz9dJ4sGL0de7rdQwNgdCpPe62grZRYYP9yk2GcwZKsTsj1VY6VcHCxWrD0rUBv1p6Q9rW4O9r.nHVvcP1mI04orqYb4R2TG7rZxntS9j2SxuPIWtMfb.LJd6jeHAJ8Clzqc.5NlfyFFuYdj.fCnpB_QtLvYsMKsoAUNEXdbolle2HNYyh09NWdOfe03Y.pMJFV6czLh5qc5.bKfAvZW7lAS5yo00A5Xjd_JWSqUBQXnKowz0oSvm4UG9iNnHbmAjMn6uvsX6CkSqfcYCcBS58ZvRLGekthLFv7opkaK3RqnkrvkdhVttJRi1BPu6MotXLiohxt6go5DexIuv6cgh_8R8uc.2Z2jRrb.kBCJSpcD6wwLIMVbWY8gpq0ZR2VRaBK52oh1krrYsPC7inuDLMgfWTJeRvNlBS58XfP7k0jluwb._WoEJ_csqwlZlNF74M2jHL0Ax98IX1JTrwZ28T20iKQJWDJ9D7002daVF9OjOjFaBDo_Mq8r9Ctlf5XOXwobO.OAU3TyNrC6wRJs8PyfHmfjpLT6XzQxFcldpF2XGDwaI0bXhuBdHpzwR3Deqze_kYbMVyrUdBK4SpOOvAvjMRm0kIfQYZNxFF3WLV07uRIBqqpY7K6cGxkv7AeMwZk_2Amw4CzaJxctAGUb0YZZZ8xQuyDRUbCRS_4mmHcUMMeOki7o.hoQdK8U1cSaETB9xWVctIXFGunZEOcQft4BrJPFUAMR95OLg_nk7ITbMvHBCxD11DL02yTa_YpNZTACKHAU3Om5qfN5__cZjYAvX4lZGJ1pBXa3dLQXC9Sag1ObqxiZRqLNUlKpqe9eMXTVd7JzfQERTsAWBUcMERqSNrkF0X3X0",mdrd: "a6hjjYLppRkAWPQDBAbbcanRHuiY0toP4GWn.ZWkq7o-1739802597-1.2.1.1-SevCgOvpMc33bFqO2CCXdpdBHTfN_l738XKr3e9u_uJogsO2qG9DPesZj9GimLYrgF.lF1WKMHCheWBf5Dek63mPkMAPXxlWzbseQWPP8BGPWu7xZdDwvn5nhiOr5BnxPb9LirU_xEMzV280w9TzSZLd0VuxmDo6fF4JvUxVF3yycXD9YhbHgrfrSciztr1vsA6xyPdhN4zpEOhIHAt65DZBWwSSzatKR9ct_cj2zBjKlxAFLmw73nyChMmMiN.OpPbplIHC6UuWSFeTj3RET399qDPPNvRn2ap5D9F3cYWkWyFJdqZMVu9lTjNLpJW_bfSd_RLy3DUA3Iv7ct6iZFWsvdC9yMgoFDuRNCcDmlDaVXE7UfC_DxoNhdyUwfKLLDL.GAT4Lo6KiwQ5UfWMisX6a.P79g01Ez3KJXcVHuTs1iHkCzfKhF6YRAqKkGt2RqjUcYwMkEXdUR5pNE1Xru66A8J6aHSZ6BNvxz3gXmksFrOxwILyhXrTG69FRDa8WJHBVoIxRBduvkdX8vKipe9rFzLBuCj6OaDifXq5oCDVElVGx8c4MfHQlY8YelcWPaRuxh0Wk7fdfECx8nlOu_WE_BVuD7tL5hGr0a6B79VQSd3GiVoVxcG88hmIjplyIcE46X3p7n6kC6xQpnaILqZtpvxBJHFOKsbXH9_M.Jsxn2PM5AQPEB_XUdqBW0VcNnXq6G7UrWVlnz7lzHKhf_pArX0lspEDLg0N8F6cW7VXSoSSPy3dkq1WekF0Crlk5SBNaPkntqqUrDb5XIa7cCHflgK2n0DCg1LPuthbksZBZGzXL0KO2y4RoH2PtccAA_uFC.kR_1ZEIA7coABvmRfcUjVLkIc58ZaLBwO9hdArpvlVCtvYr.qSjB7NVvxsrjb_Qsnwwtmm3DM6VJVbv7qyt.T7_X2ZwToOGkvLOYFD3EVX96KkfLrr60fxbRlIGgyxDffs4Ng7BsDBV9cxtXjArkU0IIKxkgkr.F_dfqroVhwN5yFSvAsujgvYWK5mJyu5bLrULHGW_xeUWX2n8NmuxMO84FXk8jgs4VloL6zWnKYmRi2wUcoDO.vMtruaLB8JcbrR1Sb93h2QPKK9lSdrh6oXClWFLvpgAjDk4Xij8ZQiHokwfqjQxJeUaITaVbHxGzP.HqWuD7I9UttoUkKKN4Qo4NLXAGpejOiNdATe1QSFNMiFw2GeF5ekb8eyqN4WoFj9giikIAnH8T2zah.mt6lDs0CUljN5zhdgPRvRwMtPTziUgvs1yU57Z02EXhHABc7aThd7M6Xpt9xpg3tq9RW7yt4XZLqdogQOVszfnLkwOw7sTjxDWY1.iEVS6INvRTxZZTh9Xho12Spee8kU6ZcUJPHuF6wxfuFZnU_I4UbqtYzGbFOgG9MR0oY4XAoPrzApcFhYlYPTned4VBa.9foT9Fy2DyOSqLynDIYw6FI.LcnmkT5ekZyIxkuhohsDq_YdPpnoRkRX43pcDdwzg7335iYW2Nl6Ms0JNTRuum6QSMJVyd5BHmjerkkvGDbKfroAJyeN_CYOmV5EEHUUR7AxIj8jQZKwn8dSMfD7Mk2DkoAQ1nWv1C9A8g59fw9sCZeHGe4vextB1EkGeoU.12_8NMBr_OfCdG1s0L5e6KrZukK5P5VLI8Yt.ZinxqlvOonhYtPkRUQu.2TH59JHE2hqpt_ewML8oopm0GEN6bOWWeDwqrSoGKsptQ7jFCbjzZEbDcgKOm5IvAdQZGviBsGYk47982ExMJxm_Wjw1krSoWMIOKtmhWM1XJsGVhsE4QnXuXkGFONNjeagxi0q0YpRQ65wmS2DrfPsNTZj7EFJkpBgW9TTp1LC9RsCmmvSQjmzoJrB1xIDMDD4EnlXjZDTCch3MS.esRHYzl2fY.1vnLlicoUcmHmGBCM7rS7kuF9UDFUBrJ1gqPhBiPfHK.oAumCz.11rgvgNoUhZ8nMGXHR_7jiTyn03Iq909iBitHmIEwC50jsvejWYdQ55S6EFASenngQ9x8aTvpQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=913678fab93e4085';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, "\/10004555.pdf?__cf_chl_rt_tk=gmQKC_MxQSuVOHRF_8015rXW.vTJiZ9qUMecW1b1dUo-1739802597-1.0.1.1-Kj6.gL2uvyp_qVb_W1uP9yz6QMYDUtZU2g65FwjmA8g" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>