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="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: '919ae3d11f26896b',cH: '0QhZD5ZfinODg.SwRw5x94Zy8uuG8JKNLpoG4TI_.CQ-1740855549-1.2.1.1-lth90arm.pT2V7oxX1ksF4_AbNgqYP5gJxD72mL.tr1zoQucNqM9UrlTo.N5f5yg',cUPMDTk: "\/abstracts\/62732\/a-study-of-sources-and-control-of-environmental-noise-pollution-on-selected-areas-of-osogbo-capital-of-osun-state-nigeria?__cf_chl_tk=KSd_ZPGl5eajqb4DD1tjW637VSdiaUw.gGtozJr.h8k-1740855549-1.0.1.1-6PwX3HWB.iAWoO7do0laV8ay4y7MXW2yrGiWBAaXK6U",cFPWv: 'b',cITimeS: '1740855549',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/62732\/a-study-of-sources-and-control-of-environmental-noise-pollution-on-selected-areas-of-osogbo-capital-of-osun-state-nigeria?__cf_chl_f_tk=KSd_ZPGl5eajqb4DD1tjW637VSdiaUw.gGtozJr.h8k-1740855549-1.0.1.1-6PwX3HWB.iAWoO7do0laV8ay4y7MXW2yrGiWBAaXK6U",md: "atxGpDQfZ2A2Jhd6Kqd30ymVqKopsNIk8M9M4NoK2V8-1740855549-1.2.1.1-dMocgs64k8YjzD5HpQoQga0D1CIsN3P.3fa8l.4m6W_c1QnoRGsLNOvKTm8h6occKW6NtGcn67w2I8MRmwf3kHGVdMr.mfJf8JYIt2m411SFdfwHj6cavOU2cXRLTI.WqfsBiLpPIqoB.3ib2MrVyKBd_UYuMf_1SSoqGjYhj2ebP3_G3_wYYw7HOfw4iws3WpPKuKk_p41VCVS7peC6KZ5ig7UJ_sB9JB_XE5S5QsCqzbyvAuN5kbo7s1tW079PuFT2YJR6GWVHRRa90OcLO2FfPp1.D2S8xiN5t6SJMgsUrQkaIhTu0NGJ9.mPjVkACS8M8YhBe4YrAphuVc9TBh0CU.5NcNB5Z7q.LmaAKHcRtSbksY8iLyb1mgaPr_vYckcwNQAxcC29Vjr4Aaxp8.uMxCE.ZvUV6C9silXX.lAtyKGvOZrp7tfRLQgIkHYALL7FNrJLIvzb2LIbt5Zfwl9ecHDhN1Nv7wtKI_pP6z.6HvsM2LZDFVGnYfzOAu0GWRPWGLxfPY3pAkgwDbWdNLIClOxSTQ12wk.Sw2jaFx2cYqmuH7o3_Zzq9ZgK9GoawTrWFMz.iqQWQ5lkHSPg3k97cp98kb8u4EIN3VJhJhcY6JaksQ23iF54QkQgeMnBB7HrToA8KSlhLEqb9VpIgmOWSULs.LQ8XcBEgbG02XULF4cOwx3db01CN.LvJGdKRk1cU6Q7NZy.O8yGbB_qgXc9eaazcbH1jzlW1sIfRVaVO94A6U3H6N2Vualc78Sss7iKCD4kfM.0IwsoevKwBgG5zoqHsHYszUcREZbQ_QH8tEXEboALQe2AXkqwk4bvagjHiE6mCtGumhthM.6iXqTqXLCCg1MA1jmOMp_dnGrInhnDa1LrQEETAySnH8RSAiMVIdcenkVHsdczkkHqr8e9bkO2.TNqC1L3Q2XPjJmNisdhyObLDjQRBITM2m6LGYEHILxXWD_RNolXr.TOPuRQTvaiaxz1ZujvpfepWacyv5vqfLAzJqV3uGIMzuT7O.T_4Dm7HsgpYaMgQvXiaz_unL5A8USzU1Dx8A7IORSH1WYW19.fObpEZ3A22XcLY5.ERgDu9jytrL8FloL73MCbcIuLH2p1LPCJ6UjxJ37eqBCldPcylGOrlGR2fCBncDaRc4hXLCmWORQu1e1rcQXBxREWHPfqGPwZE6mmyZohDXIGTYYeop7WRO4k_7oZ1NtCCGs769HBDll0kDLQOxZtBcOwO.dJn_8TxQc6jaZ_Hu3agWuJ69AbZyCbQKfz9.VGVE0np46gGziHDOEIe9m1bYdAEwd29ft0yPPMR0C0Pc1uBqAXdtT1fvhtFCPooSLp4g78fbKNU0okwcR8UjzElpjB27HebO3DMeVJcWBzSBPL0aKVaGMvAknPWmefXyy3wAYSPvdslzm6dhRrvduEhm6VKwjQXG9x4frGEevjKRhhxz2n4PeBChIMA9qZ4lKGgRJHIkOfgVsMnaG5CsbLB9zW90P1FhN.V7GEP0tCuyvnZHXs6QoJJXi2slbHwt4_qKOmX6_tC3z0ez95KNpRDoXe9FoybokwHjr.pzE",mdrd: "fHmsPxqXTl0WPwnZcKMl9ooaixP4HRMX9C03VyOdd9w-1740855549-1.2.1.1-NbAcyDxEMIbEQ44ifCpnEeuHWRaJAy3xHF9BXUT2Rj8nefBNBU_i_WCzgH9HVGcZ7nygIN.5Fvq3jJnxTYRqLx6Ip3r8Ii4Y4Ap0c3pC.jO.DUUh1JFvfkc5SA9wKQitpnPRf5ECE6xi.33gP.9V3I1BZ9H1rdjSnnoHFHYM.BF15YGjH4b249DHA5OnroYc9BvIYO6rHRbCxxD1xWya6uBS.8YJF9bq0JJTURDSDC_djufc8JJmhXM6vSm0lY0uMxB6VWvH6y3xII48NKa0Fk9.06Bi1ZmxeDSAvDV_LcaHAM5MajmeUIU2jPeUY_dmZO_vBQsT6Cs2EmTE4ieEkcM8EBUE.FaW0FcfTAaTo7PN1KeeIoRnimOKmaMQ_JZBAx_Ta38SyUILcLDlN9eQL77t4a51eOMs2fTLDKr_91Bi39el8H3Q9_6wrXLdsblDrAW9YE3S3oSv6qANGKXsDmcv2l7qH1Pmtv0InAfBwJK44YeGXKTokpzWIHXezDTC0BaCVkA9fth_UoKplo68V13P4hCGbRzRHUh23DJVsByFBBBSxiFXr2EufSJV34pq3TbZNuQ8egpHb5mXso0F.5.RssKO5tUC8CEj6HQ3t0l9xmCjqtLvE7HCPTuiqKsvmwZrSxeiZr3vQe0ZEvgJ9.hzEnsQ_3vqcOoP.g9EjkAVd2FCdWuuCt_Q7miRSlerkwpse2tq9M8GHgP5c7WkxIUSy5NCNJveKNzPzMAlxOT_PCkLnJLqlB5sT1bauQnm3Ih5Kv3Qd8gcw6t.gRdR5SbHEe02OrkXb8PN2v_ctVZF56IAHyLiDDjw6boyS5b38_nbOkoSsELHNghSUcWPPeDSkILZw.yVaVjXthW2fJCyYc23LR722WyrscgaR5jabQZrnNDwmUPkx2YS.pLYQAUZ5AfNyZ.G5M9yxhVP36al3RTHJfkMTahcZbsOp7AJ0SNBZUBCs_x8QIynW3bLmj5ENcJxOmkvOhlm0KRalNR5gOTETQG6PtbXi98PrVlcHJew0xOQLsd7Smc0ZkUB_DWeTXGk0AgrV4OxMcWiuoklZQ923IOfZf3btHAtklBN2r4h0ByBbgbkkjFwT68SfTu92htD9RP.oPVfMkMdIfrPWaioxvH.x1xBGKTuuuCEDOGnBkpRnMBYUubsKQlHAUCzNDn9watQdLAy4I3vBQm.INCPkUcW4CaktyQLyOvKy4ncF50Q.V7HxHTswFaSjRSI5Rk3JovZWUBIKYZH2T9McyvjMQWlzIq2.s7qw_AH.z8hfCpbksdyc9im5ErK1wTRZNh0N_ml_uetEUkGxt5Fw.7ZXbZw4yXLUdjZQ2N3oXgDLlz5hlOfrOEuTYNnZM1gw_5_a5_KCOdc5zJLmQPm6GwwybQALdWFup8r0b3kVZna1zljfRXOEtuH8qvCojuD4HSXk3qbTs7h9_Lp3ikUIcTs8FNz6QXYGVCokrSSltoeHdapV46D.p2cOHAAomii.fLdUrAEG6NrkpANtRxGx8RgQKFB45QgNbl8gYukYjUBEjTh2EMmTxMoALLvZQRoY..3CaMWiwiNNqpndJ2cmvnVHes6KRmtEnjTGDwANTBPx.qfE9W1bIuKpXZ15Hd5DGYqjvfRZAYFUpGG3jGNW33QSKQZdgQXJHSm16qFbf14K7JkqrR9KD3LMTA.Nk7ai9W9YSAd5Rm2dQEhtWU8TpV_5YC61.fqb0QsjSMWp1rC8Rg5wAhnqk8wDTi0VsaUsTzNBtDBpDJr0eMKqySlhNxIm4BxLEL2VN4I9UKCdreyr7_wSZS5L3Frln.K0J6T2mkCrgrxLUlTLnCmMz8CDDMaylEwuJxpF62lYzVZp4oZsZ8nOomtdVi6Om6awVtgn0yqnmXpIR5qG16Q0cWDs2c7p0iqV3t4NnRdv.vVzCALGrL91_hZQrCQJK2hlgO1EU9Zwu0M4y604cmfPFIbjg0ZbcwZ8w9t30TmqNzfjbyNmdAL8ctRk7LmxOr5Sg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=919ae3d11f26896b';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\/62732\/a-study-of-sources-and-control-of-environmental-noise-pollution-on-selected-areas-of-osogbo-capital-of-osun-state-nigeria?__cf_chl_rt_tk=KSd_ZPGl5eajqb4DD1tjW637VSdiaUw.gGtozJr.h8k-1740855549-1.0.1.1-6PwX3HWB.iAWoO7do0laV8ay4y7MXW2yrGiWBAaXK6U" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>