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: '9134846f49675f57',cH: 'SUpdmyxX9J4tCeDnLaw07vApL99jUa2piFmQuJEGUPE-1739782095-1.2.1.1-hsRCduhb7foqKAWgJwErJ3yeaali0SHqYQUFYHTK5PFecvbUejsvNzMJw_PVTShd',cUPMDTk: "\/9997260.pdf?__cf_chl_tk=im2_zsZ1xJEV6e3eM5Woj1ItKTIoTNmAw_HlJxwUNqM-1739782095-1.0.1.1-7lWOgi.pZDVd2czwaV2.zNYe6inxnRP4C6GJ9vHMVDo",cFPWv: 'b',cITimeS: '1739782095',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/9997260.pdf?__cf_chl_f_tk=im2_zsZ1xJEV6e3eM5Woj1ItKTIoTNmAw_HlJxwUNqM-1739782095-1.0.1.1-7lWOgi.pZDVd2czwaV2.zNYe6inxnRP4C6GJ9vHMVDo",md: "SnQe5viVPmYpCQ7O_IE.UWept9CA.MDssy2Dh10KKIE-1739782095-1.2.1.1-H5CfBGQkB73OYkVHfHtpVFiTMsmdzAMFjun8VFZ2sNMjvxXlEsX9CJx1i5XmrN0ppEKVKPHzzVpQ5UJrrrFD_g1.FwOa3b.7XWcsS3za4QodOtduW2PkAdVUaP5w58CF_9Fw3cTvfyxqTtFZ5zEwzzMCsFbSQVylNdxy0uqYu6Yoww31nkf7cne9NJmFjbvaXm8aY08VSA67HXZ_jlfM9rx2YQz2kdr2OrSLVRBZYf9J_VNdOM2IvjEndkZhw2GivwB7Pgv85HfkSxJhU6FECnNID9XgZEDW8Fl925Px_T5VQ9iER8_0ocFaycffyN_buNnixBu45Y6fuaghj9oyeqHn_n2Zf8k3Lvda71ORX3Z_0uMDiHUcAn3Cy0eMRt6RZydbbhAE5TopT_KVbkmwju1n97KUEpMHy6lizo1gnJaG9NMvgpmuSAc8LWXpcdmJlV1O1oHE3.Yv.Pm895tPPkwA_LfipEN0tbWO7zmYOu5qM7XqBWyLrqnthQgP1oJN_hSZtTQq8PPp.i.Eh3iDygV8VlGkLU5_oYPXf2FLnq_LuKhyfbPwJ..HbQgpNjMslbS3cNKb_SxD7aqzVf5CcXpdArlIePIEmPLBRlm3yslFU90R9M_h6W7ty8ICxry7VPVP_LzjsnDN9bAK7JGgS0v3iaFlqwDAXTpDi3tercDLjrGvBNojndDF.iBp1rDYOFv6RW68j3mRleb.AEa_xlDTaTlzZnVVLH0IRagTxBA_B8PRlDJDzdGqDg2weuZE0tLlI0sl_oYh3G_qSLJ9tBcTd84ihR9325tHiyoPqFwknuu65MMnvlZZi9bpwcb85CrcW0gTUFGRHZGpsTA4oB4yNVheEa_Xu8XiAhawkL6irh341cEpZfTYUJ3LiEJs37zfRbgJgl3iFhSzpjpDGwVQm_lBg_WZRMDwuzbVWmi.G1ohlO_Ydis3CbC96ahoaVUCVaILqCwf_4n1_hdwTKK5a9rplo6wGW4tKg0kzCoEY1uFGEsYI9M3HPHJQQnY49tUxW2w3r6X82.kuavL5.xTFYbyRzn9yAEiK2uGzN5kjEnqBnSTmGgWunR1K6tEyQZmp0kfVYmV4nwqcI3yRVIiOxySZEzjhGom9mIhtCbKdIViGOD9i2_Bb3T_ofrUpnz6fpRWdWpWSTHAPjPPpU7A9F79BBlXUJkdxpfQHjAEjwENbRhhK8MXjfem1555lw62FKPXzUbdBOWc020IUsNoqJWn2.DDfDNvAwMq3rKAA5hQhiSbBdQBBT5htDeOkyNjHUd1ot6Y1Cxl88nCACe6YpPHvm1VsmXSzq8Oizk4ViOGtBONRrdiIQ6HKzZey4vV2LoFXdmvx2gsWw356J8IJPmyCOUjzQGavsPtxXqdIHbM57wuOPgmIwrJoDozIfrSoTYM5xTnoEaqPDRzqaqoH3NMs896iEt4Xh7maREHiqQoiP5IE43vhRzPbI1FXiYI9KQthLcWrOKWYSSe0qOeL9lpYxmiG_ETipPKHjNUahopvOqwBjjxI5IVXPBpvfyA2BOz0egVsHM7aHvGRCoMPcAfZpdpJ3QGLlnMyfBPEsnj9OlFBTJplIm08igWDLhUQW4POti_sqJk6GrHAM_OUAtR7M7c1slCIaAdHTi7MpcB8OQzV95IwqOD9ljcIpmC0jPNEDcbb405K9kCTiZH7tMF5U_yjKKx.kZoWrUe0Eq7uyYB9kq_6zjNG3ctd_r6oE._xGF4YIwbY4CeBVa8Js3tOX6J6Oj6z6XkAWzvV_L6PyvrMyckYaw7no_rDOMvZ6f16_oSYPsVo8GAfOF3BaFYzo_FAajpo_BpgSsu6Q_Uh6QBZEpkhAlXUjwR74wsw.itJkCyILWIuOx_uE7LWo0wdDpl8VjGkgAMSEg",mdrd: "EKPeXfme3f9Q7xWWBUy4cHT.7HfMW2hwjSS7ZlZ9GnU-1739782095-1.2.1.1-m3f3j6.LAJQFAa.QstA54mw28hQx1jW1RLkKcAsQ1QzbkSFjZ0gwY7ZhH11JUALiVsFZ_inooJpAxuZTxr4Ey9hb_S0M.6ruSjWzrLE_u8TfKXDUfB5NHfS1X2QFF7XNFaEeaHXmFfyIUdOEvoCFLwDiuKLaiYjXad6h.VeLxvFYR5AkjFMcpply1Jk30gFUHHdALuyvia4mW6fNtUhVfiqRyR9YBw2j8xkHL8m0HihKDi37F4ylTrw0g6BZ5eFfFSjOKJkTTSkJJujTcEtWDkESg3WMm71kfrI4MlSiqOAJE5pZHYsQJApMOpDYfQBPH0.XzBfC5svc9O0N6NLWHCfKR4JfAfqZoOhIo796Q7xtZMkEHL8C7BvtXG8zuWzTZoLAMQRhOHnF8yyHjqkTTyE39na9xcuqn_3QBIqVoYWWSsG_qDjdfw0uTxk0T1k8FqNCeAez_mgQj8pgMhimeTQTFPKC6x7ueWdWewoXJ7lb8hvxoyTj1ZBEP3wDZgUu525Un5kx40Yl23r7vk0GDw518V9f7lCioeDD.Jkk8KcqzRA2GPRtnmGd1C8R.m1vuF6TFoRFopKhE6.TNT0yOVTgGivnITppogfKulXgxvNWOp8x_Vwr.wZ53GUx9aNFJJgfR9iFNXHkO1G8ktaBEOYeVJK3dq0CCosVck9xQYRHUMJYiEkzULlqyrBEwpsD6bCJdoqwaHf7ypTP8vKOJL7hSPSnZgiruY4lBrNc0yc..JXZLOQaB9UPNjJzWhCgLoe_06CCJFt9CJRW68bSgOvS6q2jxsLLieZjFpJR5Vu3vsyzzg4uoc7K__1AlgFY4FfoSEHZVnsQdUp3dZSd7Ao.6Q6Vmuuv1KikOLGnP0If4gD28WH4gxvndfaGJkmHvETlFbMdbXAXLLFylFvNcgFYx10QOuOXrKwEub3W0x18ipEI8T4KwwX0MmeYQCcPpeulU3v3oqdXe5_7HOHwunXdxmwNeTGGfRlWYHAL39xLwRJEPnJiBg7deKNbJIsm3creCl1.JyoSTFMn_KDOU0gsfIxGR1viI5xDvzSxq_qr6d8ntdYXXw.lGR7lYJ0yd6qDLes03XDnG9JelDqoh_MG7VA5iby004de29OEsxoOWrqUMPnTwzfhxKxAmGLEPbPhWfsRgIaZ5iOXzhYN7QUiJsGutJm3AakAtJc7Rz0d991LcmV7MOr4Qt5llQYtSZGR2kflPvjVTFMFBDj4QbkZsfSQKlriXD_I58HQvbjyocHHNB73r1HrlsD04Slu3WT8.X9IbUDnskWL.lvmhNBryDky1FKCLLwm4Gi5iOF5EvtaarKNO1AGMYa1z6io4Wp3C53dp1637dJA..oKOkxrmrMORcecKsQ0afBQ4n9GYWe0rSszj2n34GAJMIvjQGzUVskXmxxEnBWzSoICi77gL1lJJUAprRn5QFHMBSJCTcgPPrucu3lwlJbjy3WPKGxkkW9GjHgzd0iZKoVQauLtz50Rpyb2px0ONbMa8xp4IgDVQ5dIAElMyn_Wtj2ptUtxWEFjYTAyiOHRj59QVbAZhIyo.ylfkDP7XjK5ibLIHJbUHos43UkdMLXH4akPdxx0CVg9hlNub3mewy5ctRxtmtApJZseNs1uz0Hswzx8BOW9m.9cgPRR_SY5F8sIZappQloLCivzI3HpkYHBVryv9JcUiB2muPG.WfCXoOojatab6jpB_l0uQ2MAjY9IxbPkv1VG2FWo0TbynMIk0hv2gmHxuWiHHQvlRpaltIK38LKeoXR08k_153dh3ws3ENy5m8_44Gwg0w60ScOSsa.Zw6qL6W5NxaNEsa9lildJNa8fhJ919UnQ9G3HOLNpp14Ae4zlQPTPN_016KzSKrqJ._oLzYrf5oeUOB0VGOl1cmLf0V_IMWm4fcDcHXIBUdxg7LVA8wJcNWynspzW9WWth21fSp1m8zHsLkEVGQ2Ajz1uGnwCzWH2.wS_LhFBuESmGMbZC6j9OSszZ8lqsg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9134846f49675f57';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, "\/9997260.pdf?__cf_chl_rt_tk=im2_zsZ1xJEV6e3eM5Woj1ItKTIoTNmAw_HlJxwUNqM-1739782095-1.0.1.1-7lWOgi.pZDVd2czwaV2.zNYe6inxnRP4C6GJ9vHMVDo" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>