CINXE.COM

<!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="390"></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: 'managed',cRay: '91c955964f9cfd61',cH: 'J333u2uirft59QLBT9ped_jxZOY92.H446S9RVa5oog-1741342554-1.2.1.1-SgIzvd6IFdq3OB6p5EQI_rz9cfea4V2QVkZ9WDwTH3khcAhJFIz5gP9iEGyDteM1',cUPMDTk: "\/search?q=Jacqueline%20Yakobi-Hancock&__cf_chl_tk=OMzVOwqw3O.UI4jQY7Mtz6EI6e..OVJEVOKv_RilARg-1741342554-1.0.1.1-IQwc6S7m.1.ncRDPVMSv.tDv8jFKvuwQw5JUhI3zwrY",cFPWv: 'g',cITimeS: '1741342554',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/search?q=Jacqueline%20Yakobi-Hancock&__cf_chl_f_tk=OMzVOwqw3O.UI4jQY7Mtz6EI6e..OVJEVOKv_RilARg-1741342554-1.0.1.1-IQwc6S7m.1.ncRDPVMSv.tDv8jFKvuwQw5JUhI3zwrY",md: "dhkuoFcxfRzA7.wi5iVRKE95fFvUDsgT6S1djAU5hBo-1741342554-1.2.1.1-AtToSQQxC_J43hjuQm_OLwaJkmoYAo_2CuMdhmCj7aRHvtVAYu7nqttCus_dysaBOhDryVJpdnUmWUWPf1LNwl0wcopAkYIk.ivhSQc7M7kwvlxREggoGaH6AYmiMFtcAQgus8DIdygrjUS3BWCWbSLRdNx_szfVvrAGYhcwPssf_XSPTwYq5eZiIuSN4SqoeH5VqLqqCcvSGXW7EZEowazqgQ3.qOu289T2yd25eySZMFIxcuO.0UZgLPDUKW9fBOEWL4QyyeBX6jseTSHb52PhNEZu3t_k0F4wZETqFm1jSSEZHwL1ilE1.BaWGWi5WmtspipBVbvpLg7ACQMVZEc_n1_iukzacGQfvAUK__K6gWNIbkuQAIFkxYxuCoLnsH.DPgRio2ywWjIgGfY6kQf2sTmgsn8lsiuLjt1zEz_7Eax.wsQNa1ycfc.QaTp3lUUzO2jh2UUsk6on2yw2QZqMX2Ql3K.Ipk8cKE9HlAAvXtKyds99Vt7qcYgkyTRHMP8qoyCUnOIBVe6sltN9.cdz0SJUeRPb4m4kgsLVNIt86rRs4whim06BopKuyb6MU1iKXaoqwXvnPR.3OXhnPkmRohMj9hPR59Y98dL9ka7RaByqo83.fjocREIJf3U5ElNCSqCjDLfgx8NQJv6WKW3XmrjJAuslWpQV9_wgvrtlTkLm_9n0bfJx9YC63C3fEVQLgwuS2BZA1uWFn17SSLdgUSuIkjkNRizDrBiduZKupFUlN.UW62pqmxhfKvrrd20XFFnpdYFOVE9.XNM7iZv9aBOXVPmzmbM8J7Gy4uM0AHFkCDVN.SSurlvh19BPN.8Qg6RQ8mZbtLe2P0mgwdkFXmPmQA5I1pyIg2Ab7nDgwkbKpZh7E0c07KQqfr1.6DkXpGDzNVtrLV6sUHkrl3daQC7MRKfJTfZdzFnff.0NlqDq8bylp39TzVNKWT7yIpuugc6HGlYcxFDohoWHiK9JOm9NUc2JEU3WXILCyBn._iwE54yd8zSeq6V4K26S_KqANQ4cNct3H9yV8yTwr6mmD6Jg4TRkwpm2pborsC.L9sKsGJm3nQZi3HeOspMnxHPw0Vo3peMhy4k3an.zXCTsrz1yqtLt6hYnvNfnmu52kGwZLXILJoioa6CHHwdPAwuf_Py86Nb64vIzYeZv9wtnYxxXcIhO1W5UJ1MzXj.edQxcE15iPj3SLmyQT0.Wr6N9X7SM4E5gWU4JwHrOjWPA._2UOO4tSDcyyu9z.BLkPLIPos62lZ8otssHF0ilu1cU8ghFtISThAlfISr.UQ",mdrd: "b7KSaTtI_cg4kaAsniKnOMqOaWXfa1rWMROPDVofTOU-1741342554-1.2.1.1-VDCGu5ajRi0c32u.vBl3B2AKfBdR5KFHKmRVvX3Z3D2Xg5C21Cz5LowB9xbSq_.67vSTyTGokhrzdArkyrTn0nYluo1sLjeceWvj6ttbRxj9OBraEcrp3Muc3TqLUFTRfLLN6s5Y4G8x1LfPF.ij7blkzXytQD.YZF9mCSi4GFdafZZlqzVFGZh8WgzpLlklPYY87VRLTMXfoM2YVU7l4EoAyCXJb7X98hUIUujk_SNWA5bMQbhsdgdQrf0s.0h_RjJ3D_X6H7__ynJuNYWV05dudtr8weTv2mG8_d5xmcGj76g1ksTJSJEiZvpCJYfy1FjMIENsuiv7HSK_vGkPYDbYaOISjfhjKtioWTQYgm4ZECeyoC4B8iIco7R.X2KnLww1NkgErBST6eAsFQUGDszPV_IO1RDfs5rJdL1G.N1hmmpdcyAHZRPKo0oiy1Xp41D2aMlzYuv46RiyYdXsISxDjbNyc4N8iq3GMl3pDYKYrFm3Dmg6IiCjMycDjA3nLOYzroIciDAQqUvfgG8O9uXcieB4.X25iQsve1_W7lDxRJkJA.y1RMzkAVsuAknvODBces5Rt9J1OTz6TlastKf.en7taqLCEp5bgnpF89owclf6F49uH5gakVmarTBqugr583Rr_Q3OnPGRQU3fEUflieqRJIR1pdQrMeR597sa4kXqKk4wG2BP1l9oA.rxnxPxO6lO3wxW5MzqQLTt4fBUuUiNkn9JKCqUCsBWIrOON9WsNYHIAsqcv_y.oK85t7nARTFLqdljSRRMhpr9Lt2Myqc.PVDf7utS0_FqZ2M5VljlPad1f9nBzK2Mtu_CQacoGWt2ANpj3P53AA4TMTMiml0Dw7d049jv6s5bx89JIDkcI4t8RR1mj7mL5J6a0UBTO40lAVJO6EE74ZiIG5oI_sE1HRT7waGBRNw5uGN8OiXckPOxhFKB1pQEPqa9Ps59ezbO1q8SXsPLRlNN.tE.an244mV2_GpAfivRBzqZqW_F09uuUHBXUWFr9jsAYKcwohMWcVF_H3vw6xy8O.wwJoFTG79jDXrPdvvP.tu_bxp7YN2L0MirRe4b_JdEEavbkwbMS.qoptMd9loC7g6cZnP1GYrhTGyWhPagENVk4sojacAo.4ced4YBGOHIT.1QQPPnQD71VpX112jWOAtm8Bnpw5RfMKdUacnTBHflTtaBp4DtL35VD1cPqRsQhUiO2GyymrHRNeO2Yz4C1PIsCAf2LT23UZo5xtNz6LFshdRKQL1P0V4FaQBi98bs5f1vGL6i1L3x.W9aHu1Jrq8vfbkB4jhQ8pcTCwLawBkH1.fF2qzTnCERuh.BVhxP1EP3H74iG0CzEVZgZgGvyD4XpqGpxPMyK1gM3r1a3MQ756WnT_AL55kU6UxR6_jML22gKMZ9el53GEe7qswvY610OBtZEhShsbtomV3.GBNiWMlK1wSNiw9tkgrdKvOCPL6R9BSgHNn5NsLl7GLg7B1tXiEIDnKygMX_Nd6oVMoMJ3Oi8T9_PrjB_5oMZ2YEbVcvTixBXBrs2hofug.ADCxf7b4nMhsp0TPdM3QBCydyfSnQnafEXlkP1Apekm8le3S1PTKr2GcnXNT5FuRxLSD1gMSg9KZDbscjbRump.DQHcGSbBlIuriPVIM4gvzds9DxgI4NpKblm58_Ey_nJtp4yLbY6ScVnL1fdVB9VKbTM7XZxoPHoOEJZ36OxsZiSGnekE.KeoALRK.gUUWycePYT7xe0grtPBUIOtqefjevzY2cEAQCagYHYwnxVnTZLReRKdsUl62Vlzw.U9POXGW_pxRUVAzBNAdfOh6nJXWabCxngw64C1dATol7qvkC7vdxpvC0l_a.6_fi16MK4CLMVQmDtbc1KOJ8t0eEdFruJVaYtfyaKos0txhw17ttgOgqvl_gCkQM.t0KTWF9Qs2AevyFRfDPEXtzCOcmmkoKvevi8ycGwOPI1a3w9zpXriG5X8ya5Z7eB.MQpTGCPg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91c955964f9cfd61';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, "\/search?q=Jacqueline%20Yakobi-Hancock&__cf_chl_rt_tk=OMzVOwqw3O.UI4jQY7Mtz6EI6e..OVJEVOKv_RilARg-1741342554-1.0.1.1-IQwc6S7m.1.ncRDPVMSv.tDv8jFKvuwQw5JUhI3zwrY" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>