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="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: '9134af63fcb94d45',cH: 'cBfi12t9ncp8x8sATd7ROWOq.FfAUp9t2XH3_VgCxfM-1739783854-1.2.1.1-QpRzVR2Wmcz4O3RoCNTQgxge7L02YHG_wAunaO0hyh2PXITESDTRx1ySEWUVzyx.',cUPMDTk: "\/abstracts\/search?q=Kudu%20Dangana&__cf_chl_tk=3dqEn6gdjY0pqvLym7EmvCIafkLzpNFpSINDRlVKOCM-1739783854-1.0.1.1-we59_VxQMZuPfPslFCzlMq0IFmXQsMt1n8foDGfU1pE",cFPWv: 'b',cITimeS: '1739783854',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Kudu%20Dangana&__cf_chl_f_tk=3dqEn6gdjY0pqvLym7EmvCIafkLzpNFpSINDRlVKOCM-1739783854-1.0.1.1-we59_VxQMZuPfPslFCzlMq0IFmXQsMt1n8foDGfU1pE",md: "Qf8SghRQ0m.BZMOC79YrN_Ks0HWXUAU2iJmlWkSHdb8-1739783854-1.2.1.1-6bx.uU.ty3MLhDWwMgJ_UJiL.dflN0r5DzugoG8oizvNaAvmYFFmidLzNB4GoHveIWSgZfp_7S_P1Tz0q4VCjgqAbDpBPpobXrD_pUUhLK.9T_owFjB3FmX_aFtrxq8fa8CDlSN3Ycy6vMNPj8Z8EOrnDwMBwmt4CXWtM2X9GzGtFNUA2D9Prl9IWTWUpXGBPxihzQIhS4tweC.xG494Xlbqm8zrJaHV8t9A03o6rR_HIY7Oo8V7iKNqaMoUhv66rsDtJHcjShd3HiCNa7cbHlXNPtmsOj7y3FDlujyr6xQaC2n2oE6xozK9iFYoUgZnlz5vQvFx67bKmFmAIjPOVH9MMVE26YF1s_s8pORhh2vwaw_z7Jz7lWP93PLhwC9Mps4L21kbdWEQ8UE8_hUbM8q1YlRYfKImRrfgjvMZoEBMiPTToMBrASGPPlcR2rQui3iVaPGXvqwhgAYIMNpUzV7u23Gob_qm1obP4czJ8b4mnEpd69IJptwCfRFAxqHyf9UC6KF5pXmaMoDsF68WPZs5ZlEETOXfRFNgN90tAftQTSQMQPRhwVXNq.xvGszeLu3PZP2pJq5tIWh03W8c3MlejoYVaaD6Hr9FyusIeysRfASk6EWFaonH0nKrtvXnu0Hmv2yvsKNjyO93kT7S2pV0IdbBO_MPKBbdRagahnc10We6m8.wYJkQeflsjqaoEUy3iG9vhKdfN1uZszcSQw0mLSFQl5bVYuPPDX8nsPCS0X.EcUVnt6xQt.DHPXFFXgFb356_q17pwRS5859bo3KhWrxiHvh5hRuu4zAx58Lv2eCC22b6i43Xr2jJLokYykofukceyL0Slp9SnhuY0bPyw3M0e.aXYEnWJbNZerkWE2gGuxn.o056t9In6kr4pAEnMIaApvYcVqbVRJLRzeF4PJyBq04WbuP.B14Li34S3Hoo9fknC_YpNQVc7iDeYjLa69Ky6DluQ3x9RlHjGl3qZeITuYR0MzQIkE40zJCLkmsZ0s3UGjjKvPPk17pkBow82Aa1Sn_HcwcD7DTEskxT12LMS.JEeGvEmZypg6cwv.cacNxVEY4EFWyB_tBauqeVHZE7d0qN7kM.ZCST.fLyy.mhQcT0fSIhg_BD8n_OK4NfurLhOhNTproXOyPDVusvUt0Cwfc2AzgcjfzKmEiN_Vmhba2zqO5guxhCmtXCVoyGMhamqcBGb_xsdcKG6CSSH0_5_j972g9r8o5C097yQCB6nbvt22I5Fj3aZANa8OvEJGzinx3uCyi9MJqJQcTg28dTCgtFDjTAOiMWtEsft72OZd0INfk3MTSDkZidJEs2qSkcrnP8uC7of8nWwdAzmUEzMXGvzv0FVpAMnb2cfe0QI6nJrpqLa9FSJ4vXGteIP3SlDskE3M31jHmJnOUOJ_VPHTYtAt5xW8gtwD9VTHz9zFvwgAVmwj3uJPVa7mO2L1Sg8GYltz56C_292KV7BQRiGXar0awJ5j972qJ7ppuoYE6JIGwmqAT7JVAv9SW8n1cB_RBOf5b6E5D.OWby7IgWv4cYMUeMnOs1Vv_uFGOWS9MXYvbHOkoT_w36IHRjJ5zl_EkniiH7.pBJeGEhoB8s6xOs0B4Hzxks_0zTU85LWMVMVdPi7XJEvl7U8xJTMVHUvDf78Jeo3CTQpDgC5l3vxSBPw6yYKpgXMwlKnSAcCHtTqJo0ehvV9AIk9aOVc0T.tgBkJMeyZmEYToRQDI1VR_f30VAjVqpFpyXR3weDyOlkMhb9atVbkOhordEPIMVqeMdVyPWhFOY1i5HlfP7HZHiWPsAQ8HaKE8SeojfEmZyVOFy5Y.KZkx.6x7mqHfF0pvMf_O2_QNGkLuU9eg8VaVb3cKOEPJ_IyMC7dcrMkplWi4c0NFgiUNTZCCeKLcDsmn4sMW6vGuwFvYt0hYCD42yKDBIpnokKJtay5mTW6_1lD6GIj142v6g",mdrd: "Q8rfIGNYAHtMGXOxMtg2XosIae2RtWj2_Yn2nMhmaYo-1739783854-1.2.1.1-aEVmCbElqk.lMIb6nvqABMCtXx6UwG5VpaTRyTAPap.Z.QlKCfFE0a4FhQmBcbIo26hrt5zUZ.OKTHjqq4CyJOiH4zuJp5djin3zMMryZe.H11Z8kMl5sYkPl6eCm7LQuPkLvYT05d_1S_OZXGXB5eg8Xez6rkuBPpICR60pw6usEkP0uqEdFI9L0wa.9XeRg3Clai_qPkGTPkOVZqSBkVcfJNLcAtFDNrSCj3K58YLQpr4_Lj0ZU9OHzeVaBCY.OUt11DIm9UsK5pk6S.ettFmr4o_A0rdL5tlfqJUUorfCf4q1EtVF0lD3xBbU7LjOHFkF0oNgaNMkv7AMVUZZgAQJ.ZJuntsqLhhFKIPAmEyPWPowvJtSm9Eio_DwEiqWu.FUx35pJTM.mVw3m68_oPhl7mF5CF6S65L35v3UoCrAHv5AT9cYg9bPDP5CkiH8a2OJf4KlIHdhq7Arhn_pU59TEZVbHUUQ.g8YPW3fHnHCE_WF9utqOjMgmIPKd9DvQjohghElR8jPo0flcMtogxbtI3uLcgsq.z77H86hZE4e0GECvGO.QqfCn5_SqHDJ04otzZ0VVUhdMiH49mcX5pQgIWfiT04QoUvnStOnhhlTuoc26fHaEFZlEWYK9tkMInsMUtJuG05JV8l9GVjQ2GHox_ljM4AtvKawgVGzjbH_ZsT2kltWlyRWWewYA_aFUs9.I.aMasLN3npfj9Vcs4umIUCUMvVtDLHg2vWnK2hUFEQjKYsQPDxChOTsRxt4C6Qj26d_HOEuSO1dPOCIDxrXtBl2G.gnCNp1O9gp8AUraQtC1Z2OwsCywKH5.2TWCMPlizZ2c8S44hKNLZ3bdGZpv1Z2GeYgiciYZ.mGVukgmMC18F8G3qbEI_9T8CVl7jxK0_Hsqn9T5SpzNyOJBQ0gSu0teodTIyn_WP3rLU7YXFPDd6d9Cj6fzQe0Kce3NCZaeMqpXoA14U1iHBTJ8mfQpUsPZx.FO1RHt_gWRh6WmMgbCYmL9G7kfEDydGX1OtFR9Wt0MRf6yPVMCyLG1m0ni.PKtSH9M5ohsBX9hQt6kKfCZAsbqzchup50m4aAkKFUQXdMZkw9xzSlxSf_weBCbWB78PF.H0r8aTViB8zoHPmNVOISudqvmQ8.NnpQAN7oacDcyblqyFqcpdB3QxVGJbuptv32WlIYsQxSFSgHcQ.PiS7l_yuZ0T0ZkgK9FU92CaXWLXkQz2t886tf6Urm5EH05dPk_lx4WErPVgEyCXrsEhlZD4krOZ1RegadNOyROX0ojU1nsvr7LTrZhw4_KVZ52KrAClIrmI45pknQTY94fHj6TWrHaWotouWibtlEkPgGWPH4puR_pPuZQ6pOHqXKV5TIOa3tneWAaRKQBc2J2pk53OazOUKSibFeJzLorH5jYbcrr6zFGIQ0D.lHLagjX14bqHnYVEnnBlYRNwr_puBgkoGxu4xQ_.30dWTc8_8hKDByVm0tnunJcmdHQtEox6lYKRCZ6d5G1Z5D7yJRaB8D2SshpcVTxYUDbI3MYqAJ1dgCPnMc5qwBv2tzxHjuYr5GVIzNA3gEC.2fex_F74xf_msD91QgDnI.8CovDEOTd1n15_J0UZYDCgg0SyAVh.GgO7LcC78Paut7PYk_HZNjqGeNDV8sK7yDnIRi7eppdemjwv3wwJwhTVZ6zWEoZyuqSf0ubh44OHKo1R2yvtFpt.mbHDY3Zm177LeFehuzWrO7aJRorxQceYPDJs_HspAkikEPtjUAXSPsBdEX19T0uDWVsi1aeYG.85KcjEuNzrjToKYj6stE1g_G6TOTneahsbdGA486RzApC1vESsHgBFEvVaTM25JAxV7w2WkUzkQ14f5pd8kSzgkIrCi.hn8GQYwSTwJrs1b4NKQAc3oUi42sZY8OcqoK9Bzxo4PG7O5zwNveeCLuFkci_WCIpqh5ktSGKNq9AlkZWkTvBMDaj0Rsww36uYhc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9134af63fcb94d45';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=Kudu%20Dangana&__cf_chl_rt_tk=3dqEn6gdjY0pqvLym7EmvCIafkLzpNFpSINDRlVKOCM-1739783854-1.0.1.1-we59_VxQMZuPfPslFCzlMq0IFmXQsMt1n8foDGfU1pE" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>