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: '9133ad33985e4d45',cH: 'VVwlLXb400Ml3so9y3Aov5w.S08tzp0YHdcOCzbPVtI-1739773279-1.2.1.1-gnDNKmrvD1y584HSd5IAkZsPkHJEPcTuXWgFcsqo5Xd_MJp_Rrbw4Q63sJWiKRuT',cUPMDTk: "\/6630\/simulation-of-a-sustainable-cement-supply-chain-proposal-model-review?__cf_chl_tk=Yxz7K2EMDOmylGSWsZkAncM992ka3Ibx9IWZwh0diPk-1739773279-1.0.1.1-Y4thHUuu.nJfADdMz1T7S1T1x1p4cznsiupIV3Kr8o4",cFPWv: 'b',cITimeS: '1739773279',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/6630\/simulation-of-a-sustainable-cement-supply-chain-proposal-model-review?__cf_chl_f_tk=Yxz7K2EMDOmylGSWsZkAncM992ka3Ibx9IWZwh0diPk-1739773279-1.0.1.1-Y4thHUuu.nJfADdMz1T7S1T1x1p4cznsiupIV3Kr8o4",md: "RpkeABigvQpZDRMLuSZfDFEcH8CiMrIbsiwn_WBbMs0-1739773279-1.2.1.1-EmdlrhNG23KGUN1JS7veIAtOPLZ3M7SeixTjdsaZ10kHYisqBdFV1C1KJmvLD9ey1KmHQxDmD6CFtItIwD1fwKqym_0oQbOcL5ynEf0ePTQ3rSPHcmoUMXi9saMRvsGuc.yxCWs4yhvrcxUfDZljWhEMMSaXx_KqacJZpxGWFobL.FeaTke4KOkUpGtdyC74mPTnNHcn.FXaaaebC6HFF87GZaG8pg.4illN2794nQx_zzlNL1594RSoOIlu2XfUkg_o_bgC5osecHWJ2pZJB_x3ebWzeloB_1U5JsxZHTz7G56312YU7Cpbct7EYAd.TjFbOQW0JuEPhSk2Z1Qv4a95izhMoon1a4g69EeV5lPGzDEoy9aIi2Sb2lBhUEkukIM9FDIdv.JLCFm29SG1ifHI.WlSLzhKFi5Whj2OYHtO7dLXb8IcRY8SszEYBxtiFfTboCJotBG5JhQxl42z2Mj29LfF8Y8Kda3vSoU3OzjAP4tOBVUu1Y7NYc3bRyGBZk2FV43oqJ9S9QxFkPmOhoV2zB497N7X_WnERPgjlvAXcCi9HLUbpMJ.EvMyTtzbqtcKKpc14qI30r4TWWkKNIJFSl.o.foqv2R_1CoFg_vUowjoM_kIXgaETyX4edDrbibGW_ndgQn.551SvKROKYdIKfZHcsU3aYVYFbUkTkJR1EQNm1AmQet59nXOLU.AFuo3t0ilmAT39y3Rw4SGlzEAVNw10k7fxffa4TpmyVilYtUNVLnSVGCg5j85LA6hTaPcvSax5HaF_bdQsp_2Wdlt4m2ozZnW2DTH9h2AYCfK9w.BtwvQJ.iHDixK2uK4Z0iLSpZhKuXhxkYMIqoE_bz9Wgm5XX.EeH.gmGyR97ZfoJaaZ.e9jkUowwW2OOCOH.CNnTgWhbChp171w03mA9jlR53WEDRPzCZKpzImn8sFzRn4BqUDw9Pc8_keVODh6Pseqm_VqEHNRlqnUTjYE7Bj9I_VzROjZgy6KCLYC2cvTLTBmIKKvUqI72Pdt02CXng77chQMR09SX33GjvXZEAC2HoAxKDw5ngJGypnzRmqvNyLzMlnfpBhkyOWVy5gSUHNQ29lVll2Kl57puUJ3ec6dU5m_Kmr2pjFmMQyZHczNDNt8rN0e.UGW1sOcr_l7g056ECRrw_IymFGCnOXEtTWE1rIjo.9ekRyn_9boUzuE0N9MDD140MKEtau5ksuZmoh_hkPgYE77mQzUJvlk7d9Ue2pO5XjlPF._1plNtYG3YMSnhBkYjUEPmVyzRf8JM8SbptjAtZ1r0hBWPa3vxMrNlVT9TJa84iviZZsXV7GEI18eXqjpbuxamaQEP71OSV9yc16QVRMaNV8.YJOMR_OfA02BcZFhLztkfeaaVbFXXQo0sAsryXgT71s0BuBN1jA9AOzwv.hZqM.NLg9jkByhdNlEUO36BOuw5kblhjF7PcrD9VPnykaZOFO0goccr0oYPn4oX7mXWmJ7jI4ofwE5l_s5E1CUts_knE2HQiHrepADJLOyvmSJj9g7fBf_tbXBOZXH4NmX2zIwBuxaPCRTjo2DjS0bpQ1PK32Id583B5yENoQrNdAWEF2BJ9MU3xnLyrsliqhcpW6.KvswgGm86X8vZ1vkZPX4aUS.m.4SUN3cad3IJYapezzg_eQL3JJndqJnQSxraFUaz08eA0nDLeSrtU8FuKfycUQ8_TLcUNl_mEpS1Z3z7rYGRvatwAYx5S6LJ9_JqRVkUg3gOqgDXtyvXoHSjE6Icy6AklHSiRh5jn30UdDJdQaZaqMejxjJG0GgQDlGC9IF4G4BIy4BbN8KoppR4v4NuJ_srsqx9t1A_caHgdGEpH2PgctqqdfPRD3vSbBsktbMxMrQdmNnBkg4G06yVKm1Vu4q3mbF28wrEUnlhCYMRnKKeMN95vnfeLmTZBftudFfbYS0QU_v_tJySb5hSHq3T5I4OM64r2l.DcDV1X6nMu7i7UUCHPQOUWumXOPd4wRjeJSFmv1fIm0tX4g.UQ7ir29px9Aqn97OuOByCGMKmPKueYt4TBr.739dtPgy5HF1mFgCg",mdrd: "WOxHW7posHWfh3vt2IwISe2s7eeddaydccl.WaiuTw8-1739773279-1.2.1.1-KjEdZ6vRWJxijrB60JPLb7lHmpBbLTncBWVotwB5GGK8FB4yF9WfwJik88XnupBvBetp4xYvWoQshk5y.CVxSwB7cXSNBviFGoFY2RQRrIh9V8gZTk09WpuRAa2C_9SviIaGt8rIS97U8TjfZHb5gIuEOiiIyxx4eQqqIfgNbVRWIlqeUOYca00gOYNMAqzk__NkAjtbzv.zKsZocMLvFOG9vpdlcW1si8hZfu5ofhOR3Ogx3QOfAQY0B9DqLTnQJQWvt7FdWa1KM_FX_43w9p1DeG_Axsj_UMNJV1R6JWWkn5DYdhQk02N0UCdAXjt9HYeemA8qeSH4sNBa8oq30kdWOW1Ps727.S4tnPveY89OzBnfZH1gmmQMOApXkddgehQLI1l3cTH1.YqQ0_gkFkreWuCOuJM8pOlQpi1WVEp1CDrsjuEhw8n2B0ezI0aoKp8irRkkS8JQf0GwVxX720RfgMx9ZcY.GrcHWm7Tse_Sb_i4HN1_emkyFrEfC93JM9W5DSLr.52u2dk4GwNBlulZkZAKq3c5OaCe7e7pysuDnWgnqgeYDCqxfg_9AaMgG0I681pVBd7_KyTlh6HCuLFRepQe8zDF.jn9yTkkbSCTXZxx.Ia_jKDsmEqPy_wMBzBPB6VLTB5g37gvJLwhkveVtwvZujFaG7dZ6a8Bq.KEV8yChEuNgOV3EMX1oyAHLh.YO0FYx6qe3Ro0eKX4FSdt799f8lAiUz4WLB1gbYiqKvJD2QO45j_wTNRAsIR5BPhuy0TuG_hW3gYLcfBrTeSF5YArsdM2Ah3U5jbg.l3LLIZReXt9Mo_ZFYx7K8dDS2rEzXxiCLvoAwv1y5gvsr3xIv2HIFByNmtq0JhYi4HzCgt8QMNI8xYa.Q0Pty7ChcMqOWINU8Hd2sbfzsrWm3wYCrX8DjYHPZ07Aw5dYANyUV8S2CL5zN4j0IFAvUze.taQDISjULacCugbXtTJVGW8Hn3b3tgDpW0rznjLnZoPoUJ0c.Ejo3ueI2HLPLJECUbfvLYA0RydulnquaLX.MqdNBeEMbBXnr_BSSN0xATf2ggl.seXldMDuS7LribbwFb9wUC319ygjUZ6xjIyZst8oZTRr0j95Q75XhWmiIzLFE2R6K25JHCvbDSCgzIunElXWuUXsTui4__1UJVkbID_nAf0Vx35j7J3sBM0_UzzFZ3HTI6ACaNKCCiRiDRqVzEGL_Q1IdGZYMuAGBfSOOCC2yGR1lourUmlVsiqDIVyomxA.u9IYrhr7ayj0Kl35xJHS_7XMJpF35qAeV93FmSB7sAPUOlu4CcNHjYcyOS3kWtFG3diWiEHt0bYuB2gUij6yjPX_qC9KQ3an610VGBYyO.ITtndmse1cPJeYmg5BcsEUYFeVlj1ISyI6qUrKMSzIt3XUPDZ2hQldAUXwbDatMJpFna_OXiyPb_bVk9cl3qZB9xKYPi8vSV0r7YKnitwXYt6dfz7G.wKepH1.kdCmbcJdAOjn8NEXW04kx3G8ZS_ye_murkO0BL6O74.JJBhpnNI1QNIyRC18mQzrkiYthNHioQnINLrKdP3AIZG7Bg0Kzus0RgJVZyDGTmKD1o_nbpyYcXCUloFjDoL1q86NeBksyHwxBJC_omfZew29AXbRCQmKLBu01iJNq0OR.ewD9b.UWXIXE52S5bLRlt_ueCLJ0ywsUhWsd_1qk27xi8cOBm__G6StRSB8bUxLoggqasm0Wnbo8uQEeikn5yFyt8TZcIOvbqx1r2nq2S7HA6hzhn4EYFdcJlJ2MDJbxYGQrL94o6MMnBMSSmm1J0fmYV67e3eGUMnPEGEj4G7VS1cUuVvxE1OvQaMaVjEy4_.qtmakPS2ea6lX2Qzkn8SDOkUXzahVpJzgeQmkbRD1wpk7ApxcB.Y3GakbdoJRwRI6qqBLfjFY.4x.2IcP7d.ajV54DOpqUxsqS0BLo.98ecIdkBS5VQ20WWQ0iq."};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9133ad33985e4d45';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, "\/6630\/simulation-of-a-sustainable-cement-supply-chain-proposal-model-review?__cf_chl_rt_tk=Yxz7K2EMDOmylGSWsZkAncM992ka3Ibx9IWZwh0diPk-1739773279-1.0.1.1-Y4thHUuu.nJfADdMz1T7S1T1x1p4cznsiupIV3Kr8o4" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>