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: '9133984c7ecfce55',cH: 'cCVta2pVQdyCeR.94CsyiVhsJs3Kq6bKxdWNPYK3ZaI-1739772423-1.2.1.1-grUmlupgMApkceT.YL_ocRJoEUpR3yt8MzL02.5QJz9pF0SUHUK_Ufh0C4ofsys5',cUPMDTk: "\/abstracts\/search?q=hotels&__cf_chl_tk=f26VxWFBvs73ruYrgW3cNr9gJh_9kpeUdvSi7i6PLyQ-1739772423-1.0.1.1-yAPjfIHw_FztXnFe1Y9xRTI3ItJFKekThU8OMWYeP.I",cFPWv: 'b',cITimeS: '1739772423',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=hotels&__cf_chl_f_tk=f26VxWFBvs73ruYrgW3cNr9gJh_9kpeUdvSi7i6PLyQ-1739772423-1.0.1.1-yAPjfIHw_FztXnFe1Y9xRTI3ItJFKekThU8OMWYeP.I",md: "QgwMLGIIu.a2p4PWKcJqhT0o01NVCKMQgPQvxkpx19s-1739772423-1.2.1.1-Pb_yRxabfp8MpRW5fedRd2vpYg4B4XBiRWR2eiG2td1MdfWc38ivbYAV_0py7dtwLuQTMjt3cE82NpEgVSe8q73mb4WTadxP.eIrJQeB00y_4uxbHHi.f0F8TZ4s.bHVZpfCcnZkU.FrT4aputfw6A19c12xwIpG0eqlepIoVzeGi3nubPyWATm7scQR9Hi2F.SN21AT4JuI.sKDhP1jUgUjBx7GshKyZNdz.qrLLEX4VE5WIi0f9C93epts9H75xPWy0MAAGMxZB41dbk00.0vmS5Y.8IHxWNITag5oLXM2QFG_104r45WUJuveameeOpYprYwd6DYU0lkT2ZViqePcP5jVjDvzFnPtMbJ0ESq_iX7DBNqk04v8d6GbuRmwzTb9aqOBd3Awc1c6IQLbONJqh70TYCxvLCDzGeGGcPF1Kpr9IQ5LeieA.jCxC_.mcAUFUf6B_8ie8mumOvzyptAd4h0WdYy6e1ny5aIG5Fc_U_DSOvfLqGKdSeH.bRy99dWn0di8GP2.90_5wDiaDtwTpuCUGaqhLYYIecuFrFHpCWnDnVuBHBo1gR0.EG0jCAvR3Q1xtT8RCN05aRqLY.Wm_lD2oFAwMwt2oLlA32ObXFCWzjkmZByxy1QiLUl5bBZkzd.eB8M1jF2fZ1fPD8VtPO.mem8LAyS9Na7IBuLi83HTK4DJQlcVes7COx0IB4WAWc1Fu1ePPCTDikGNuVUwx_S2DZnMDPlW2tTSIgaB7LhB7GUwt8YqbwprKQF_rk.LArb3pk.UgGfrk24cVBvhcE5_ftT6R1KOGNI8Tu0eqdjAoPJGhFW_vZFXHRj6MXHa_7zFz2jPFTMW4JjmVoeBby27YlOlyTZWWz1ev0T.pnsYX3sNZmM8NL6BiBGz_8g6OxTJrfr6UY8CajYLaUx5RqRtO.O83Ufed0U8mHLd6mJTHTPFr2QGkiui1ppcwYmzXm514A1R5pxQXhl8T9ircX5KnixndhJFZhDHVEMVnGIDpBhBMeavTG5y_nht1wxZ86Vkuq5avSs6Z04u5h5yY8wI8opLKdyWMcQUnWUsZ4JO008aK59yqm.flnD8BIfbuQMmYeQ1QbmYSYLI_Bsqhb9CuUdnbc87k_eGiagzEyOu7q6cze46S3qWssh6V2NGSjfEoymCyvy1H58PJbUnlJntB5fXuMMcBaTNkPOjsCAf.6MODOdHIb4DrWfEotHP7xlaFAgY3ZSMQUYkIGaCiI.nObh9ZQv00.PwF8.vJwSAWICnUzCpmRrmL7Kh_kn1CI_IG3kgz36ykQhuSKhZY0OnsOA0kglyL7YGX3L0hxZTYXMGjdt3tWf2nsHM4ZWhwMujWMjYys6NSMw6XVj__oczPGy8WhUkgSacKC6Ewdb28pIooQaVaUCrziY40x1enXm7zviHaP6UB5FCceZc11PCXKMhAMX9fnAAZcA7_ZJQ3.qwx_vv.y5Tzk4USBJGJ0uBLN93iY7wXv3SaxeBjvJT37dYj10osy80dIRbeiV9xBxCIj4xF5ES7KNrMLuJ3E601M0KiTK.zdmaaedW8RF2PAsLyyQ7.X73q6zaUV.qNq9RM91rp9C_mE7MpkL5so9Tl_mwHslv.iR6dQzXSDBe0cCVgCRZGydcpTv0ZBiW6pNb48A3UNN.3gmNckAjYvXcGyGibITYq128HtVPtZfY1qLzYhthutoqhPKrL6nzAYHj4VdntHokajowaF6Awj3fYCHoLngBBTVEtE0oG.NaODPQ7mNyszSVZb0Lt5r.g4pzY3QgIWfmpjLZyKUuf51G4bd_lakhWe23HTGPVecQ31Aa.uA4cAuTh2WsPwo62AQcQvu.w7psTCB5eEUnuiRxT9PyZjx5KHdbtk_c.pXyvUe0QHZVbIOlR8dZ1ujgHXZjJjqL2N4USn_ZPKWDCZvXZU14b6QSTfb_bA",mdrd: "UMtv9Ogx6kiFGI15iXlwtu_iKpvi4KgxO4T6vzZlK4I-1739772423-1.2.1.1-PwhJJ3vT4u7x_ioYXfIxedfKXQmsAvigaLGDIiv4AX3ldu_Kw7xaFQCjI6iaB33jFOQMkKp8QFeb.3T8NnJsDQ6wjgDXL0dzpck8PzIOZr1LFFIgLMH8o.nfcKvYiM3KaIHKPy36CQcIHg_AwZrAuxtieN093Fcrmz96wcIkKW5dhMry5n2YoNe4377uxokoDLHyshQ6LeD13lLKkEx0OcPAIhBR__ZPGSwWzPfPRU5fbjhNylH5TVkGr9xccSBR.lf4Lxj0seeWUGhD8qaEI15pDItnnzvwOGOsNwahRfpsGhwnU6nulUZtAhMegpMKxSRCjuCzl9ai3TqtPezZEc4.dWZKriP5zAPV9HMGV67L6f5BK_cs5B2YaL.nTFdNoSJcyeUdlcjrJKMnFqwUa9NJ1f0JljbUFWi2B8hA6rga2aVfAxGs45NBNO2ocQlWkQxggbAktutsGy3LfSJfl_._sKcrMTa06utBm8.AwAXiP6yKb1jKOJBd.gQpI6VA483Z.Ppd.k_g1iTUjxgFXWXV4seB6T8CSRKgZYHTcIDZw6cPAQ5TRJQbdwTH7R02rMIygJ23d4G5Dt61.nEf6l0fkPbgWD911nVQTtTBoakzSYvCtF2S_mhET5IPyXYTSBQUCPKoQI.ztfSIoFekNsy9XfJiZ2DLWIIf4nWvTz6G8a3QX0PS5TxeKziYWMcuKPSDrzD039E4Rziqxil5kIqSGKxjNo3q9NTj92Lul6DQioEJx3WgTesF0JsZwfozdVT96rSWvLeOXiXHZ_axAZrUXx0s_.ewIsxLuPhKTYRmNmgUpmDgHWBgihTlL7FKz9OsBf51QjnMV42q1G0YkraM9cMv6HgrDAOZEgZ2F6A2Chi4DaNW.OG17xSWeK9txvlor.oFj.qiEnS8oiqZpo.pErd9l_X123P1JxIjYM2IQvk6RqGgjGfcEsiw_BuwG_fGph6i9TOGNFXY5RXEOpw7a8h2w5YSK9CUdavyxUtxOimPDXjHdMgp0iTjPtlxusYTB4em6H.34lU5BDiX2nCPz3coVTtbrlqX9snRV5v7OfY2jod9YlPjCdSZTqs6pnsZClFM.B5jMc23fyO29d4QjlqhouKopPUucs0H59tHqj4Ndnssa_QfrWRnzCymexjcsY0IJgjCkG5v381ArA4nskCNGw8w93GxTQHcs23hwvctGibHbtQcXJt6ZzFloqvOp.V8BZ.hAVP3ecGOYuc5gXYo.ST4utipJa4HRfqMAZBLowTegV_J92k2OMFbvwftaR9LTAUT.5psqiwHOoIZPQWyNlyjfKtyKHyVlfM0oQQQSkGF2xbc5FXqynprjRZiV5ln5cbkTHZ3cs53V0H9NKB_he8Xo7guATykNGF70__fmyVh2rerDab3gkruOzCCDFQH3_uKCfESJSlBEm5xF6dmjypzzK5UrP7MvlUG0phBIWiljaaHZhjzNr3IacFcitcebzhNw4hWiCW5K0KDYxQVWQqSH_.aT.ZynDueL2MDICkJKD_b4ekklRN0ryC8yA4fR3SfOGNRz0F5Kzw.DBo5jPkA6HQtJ.xLEWpPxqIHfcv.Y769G7oKbcI_uJ_UU3q9fmHFOHjdXUU_5Xd.AsAlzDwc6ilDxTLRuQTgp9mXasHidJYv5946IPnsxEWjKZMkLGF0asq8Or5WUVFwd2NW_Hr5awBVqCNMlcI.ypfOiDKVVis.G0E7IyarFWN54zbNJfqVLDy1NmecfbVYiCYBnhpSXHyZrjpwiEuSkfGZwiXDtc4Rk_XG4ZMIt7.9hI40RTN3W_0MxRlrO1GJdazKRokXj5bjfsXHpSK_EHpe6yDj9CUpqU5njkulnUXNy3T0QJyYhAX8e0gfMQPZ63GRLYfEwE1VsGtFpzAaa6.r2FsTTv.lfAsgZsmFh2gYUrbumTDVy0YWDcILRpdcBwoXDj8eE1o8gw9rKRxRrm7vOSYAogum6ToUL40qEX5bozI3f3wJ7p_29PMb8A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9133984c7ecfce55';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, "\/abstracts\/search?q=hotels&__cf_chl_rt_tk=f26VxWFBvs73ruYrgW3cNr9gJh_9kpeUdvSi7i6PLyQ-1739772423-1.0.1.1-yAPjfIHw_FztXnFe1Y9xRTI3ItJFKekThU8OMWYeP.I" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>