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: '914a609a5ec89fd4',cH: 'TyZMXAhaa4WMG4nH8uIV1fST3sDZ7KZtgASPA4fQJaE-1740011314-1.2.1.1-LrOCdEkpYnV6SQRR41YRX7xrIs0L_Zprd6r2fSCzD.JvY039nuk_PGnc0_DQr7Pp',cUPMDTk: "\/abstracts\/search?q=Zaghouan%20district&__cf_chl_tk=5yAeq6xF9Danqh_9SJr3LIcfG1Rj67QnhWQZzSfYcLw-1740011314-1.0.1.1-atim49aFimWLVqPgZzkoc4iKAwBpQOGHjUUBJ8gDyNk",cFPWv: 'g',cITimeS: '1740011314',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "unsupported-browser",fa: "\/abstracts\/search?q=Zaghouan%20district&__cf_chl_f_tk=5yAeq6xF9Danqh_9SJr3LIcfG1Rj67QnhWQZzSfYcLw-1740011314-1.0.1.1-atim49aFimWLVqPgZzkoc4iKAwBpQOGHjUUBJ8gDyNk",md: "8YPHbuRuVhCMh.qbAxwVHaCCdjts6pr6yfhM_D51cFI-1740011314-1.2.1.1-1tRoWNpX6NNgEj.ex3apNDUxIsMG6PMLlDUwvTIncw4K26F.WQa2I4QaRjATE_sr8__5nuwUfVUmWMl7GbIVHLykHpetzlbbHWW2tniWvQWbRJ0QCOqdUOy2dfDObfUSuQxi21MCW7t0717nVhRF_wjKHBox.BPEcrHr1_JxslysDJg88Zs8PY5HYePXXZx.A2NY0tFCrlyp5ujpHpCRJjn1PM0sVMOq55u9eT9Fql6sX7nkbLHWQp3GAfcstkG5waB4TcPFBUGB4eUZJO4mf0Q5_wH4uC2r2PB5Ie.llE0Ub3l77sXlcyxLSUOy_DxhRRMS59BT6YKZposYkF05Rm57qn.PIQwHIpUscRuGReDX8kOImp3.iU2NExxLb0JU79GyAqUoUu41rzm7qpUTRcLoO5gXQ_xA7b7rVVDUMgJaAr4r9B1yRpE4N_f6Yv828ixdicMP0c3JlIrsNxoMk0K0gfg9uC6B0KGIQmhywTqYpNmWc9JzbNYB1uiDcXnOHa5mVG9B4lrtlOV9fTqBYzg3Ua61mLkf4Tq3hS6zOJ6SQUktZBaBxC7SEu8ZAE4pHZDaf3xKNG_qalKsjr1BVkAJ._j49EhVUWiQoQ0J3QL.J4l3u4tzFxivo.zPyFLTsUWr.WxFWTju4WXFF8XJtAztc17d7InQ3TuI5j6NOO26FLIBJTrESZfTplwrMiZUY_a_ZK_Wtz1VUDgwp91HvOzFVwPUTSO5TGaYsOSs7dzp.fQyuxs20T6BNDIaMREISuRDzyyXVTohqreV0DKj2eNwJxR2CvMe4UxcT0tLfDzbJ.3_Bzt5faVXFyEK2GhjlyHGwMg.vAHSWEoXZs0x2tlEuzYPIbXZuDj9y2I33hsWuckqkj6vw_SWQoXDpG_2AQUrEjdNJCFQHsgWueMT0YbriK315FY9k9jRgTtIR7_yPq62W8oHbH53.zVcQ9LqWolREjNbaMZVGnozuaWmbZ6nWm8rDcsg8S1jl2bTmOVUNFRnXRZEKfWAlHlP4fOnx9O37YtHKTswudX4CxepoQ22si67_dVi7tOKqNE1UkSkmLuDBIfe3ZbLe_E8LF.LO02Gly9O3rEGV7d3a5BCoEyhYSakhkVMInvJtxuIUjtuFE2QM5CbPZRRX3gslueUw9NxdS1N_MGFbH7ZEz6RthzqFBIsjPE9vbioZfpJeU8VSzZzeMRVv_Jmgzov6Z75mAfKCSJ3G.1748kU5NPtSAB.d_3h0SF2hBpz6n1DELto__EbqugPXgrE.RMPhBOLN1UupTSNiz1mOS_41Uf8PQgDf1gd7TS0.Ox8TRIdqA9seAJydHtlN0l5WrehD7sAa3jmO7mMO1bU_baJQVhyGkYboLSbOB.OiJGKUusxJbZyeSfzlMJy6oKn5EJocpXxtxuokPHmF5Br4IeYb03bSS_urCtuC7gbCiz7Yvcgpahvw.cnZ9NMs_czPJf2u9Pa46ayizQsXgHTms3uE6_SBsyGk7mIlBiMl316j8LqRkAFGjlQpbDoMXA9djv4YBuS__VPePAjJb7tD1mKb17vICkd3dR8b4cMTKB1UM0mQmkQMJYEDInQ9h.K._xRJPYtjTQj5MKMKYtT9Ep3.SVoJMfITH0Q8TrzED_2co9Ej293OP68hCFH0nWMzBrMqZOlgGVGWSGKndPMTBIujboAoUj7.icKatPQ17Ajf5zcMCthoW1TfRZVwIEZK6rjpYgtykoLKrwIsm0G1bt4Q6Cp9E5Mt67oJNjbdFrEHU4QR_8OofKPnI_4VB9AuYlkloADWlemuAaRPLVsyIw3weTR9jMyFbNFLiqNhj1x8ewQ6KzYzN8GJBGffmKgwubltq.1_RiR..kixfZQjk23ObNZnvWMLiciOyNCojLCZ8Lr6qjG5XzP0ufjtuzFEDXPnwykajElg7K2fJ7h154LJ6JU5MdTqudvUnsoJEa4lqfm_LQ",mdrd: "sQ3xNpBzoNK6O72vhQhhvtyHmon4R1WEn.iuGCkFOmg-1740011314-1.2.1.1-m8JysWEzutviSb6zWXVR9jL5ma4QQzguYKzScND28ZI4xHEn7Bq3mBJZuN4z4E6gW6YolK4jAd9.ij8EiqzF8ypWK83hRgwptiigx1BuP1MO4OXztKFKcVVpKfXYBTlKLmsfaQmz8ZKf3ZnSmsdBgjOv.dFZAac0pyuYkbo1s1O1hMubx92wATRg60I0Urk826nrhSNwmMM8qugyRDtcPxed6MeVToTkMX8KEzsxJubBy_Q8_ujDoxRNkLhAc.jl91qJ.y0MX6uT4CbRPqf0DghuHhpcHQTjTmikbx2jyONxo8dEU0AWAuX.Zmc_ATx6BFVPyw1DwqO57DAfRTACV_dRR7Q75tHJtwojbnMDhRZlvTTej2v1A2LFY8WMnJo1BsrK5CAjF3QPVi2IddDQFuXZ0BENBcbZaT..TRCwoUTGI4abqDuDNV80.SBbSUO_zVDgAix3LzzW.ES_5KmquGDbdjgtYgcFJEqY6Pz6HocGL6f_U2WB9JaWKmuc9i5a3M2.uOmXupmaur0XHkAC8HLQtGtRp_tSXE.iCHXrwkx0z25CyNd0vEAhoC3hb25VCNi.INDI_HiGj762c7_TIHfvuFN5_.CSRUErSV2FXaTXz2YhIom11jLhtELoYFbB.6HzNZcmJIWZ6NOunG0cTYwDw81WH6cBjNCRHa.aWPr2QpMagFx92RTWq01tCB0VWJkdqpU_QHEKrOW8nh30UyNBUASbjBkmrIhy70n6sY8dwhvHsqBpt3Wdp1EnLIAsLzbMz2r49UFrbhZzb05UYVYZjXGS6K28u.2kkFzEs6d7lLkAtIdNMdb1J3pCT0PgPc3o8H4cwllc7xNjVVljq4mu0_kY_p_omdh086HGpniLgCqlAnFChq4SSw4VeizwnaDDmXCnAla1IZCNtjXQJe5qhxvDfnVarXilFzR56qZmOti.k_uH9YtWCqnGm01IQSs5VBWQYcsTnFZvfm4.m8lnySPBMaByoR4xRVpo.co.wkqaKhnYZUtZIGobvap0R7EaxBOerRwxRKIPFdOCLgGeDrF3_1vxQpFJoa6gg2bfpKpiac_6rdqBlRLjwQJsq1bj_0jnkjOQlNL.aEWTAwBARE9SJMNVHxh8kjcNncpCa5gteO5HiUxHVIiTyJD8uhq4hdM6xWspbAiafaUGYSjyry6MINwG81hGBD3PvfCjD5h42Y6iViJcGGE40J8sF6hEDjG1Sohz4_GR_Tprn5nJq03kxnBiib1Hw0zwHpGOL8y0EzwOH.qnbyxtphCFpk8OLSyGHzdb9HmioiWZjGMTq2zieJ9_6XEydi2BVh47o24ZCTcGt6nfAtSTey706xplvv9WHRl7HeRSmw75iZmqarwfpoTSdalkRszBpmSd2mexyoOHxsab7rCFoUCyYUM5PorUD8yDuMCsKm1bEqdpylkqUCvdsbGqhKxXcfypP.Iiz1bB.f._wXv_E5REXCC3lmvCc6.F5mckRiQNauGcT7Cugu9_wzEY2TyEBrRuYGQB_q80Fcwez16yAGwHeDmjLTxTA7yNLQZ19peZZ7XqIAawuBqWEg5V52V3xwBX3LWx1DIiU3YXguuLvRQ6dvYULb3dR6j2fOlD4toUDJ7bCGZ1bhTVdrxAG2n_Z.dbg9lxGNJCLQ9uBNXv6.0hcShhaoJt0Q1dOHTwpePkTc1rIIOhiXoUjxCrMFxvoYZhndDsBU1SmFpja5nrpBNr.CNMAcn.DmW_fE5n1xX_Y7zBjVqZ.lHqnLcO6dKD45sRwNOq.eInpMjJjOGFNgzKTX4w6m.zLzu9X8.nMx3Ubk41JPIcJx0MoiPetlbWC0V6sNx0oOOkazWrBzteT9AfkDpLVg8z8KH0rI_lurKL6QB3r7SxGr6ohJ2B7s1uvXdukCcEPeYaLU.GUqzX6MGn8WYItGHTeY..EkF6yjDSAAcG0ow.IDDUOxGwn5N9KFwRbTy_IZQwb7h0_MlYjE2L"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=914a609a5ec89fd4';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=Zaghouan%20district&__cf_chl_rt_tk=5yAeq6xF9Danqh_9SJr3LIcfG1Rj67QnhWQZzSfYcLw-1740011314-1.0.1.1-atim49aFimWLVqPgZzkoc4iKAwBpQOGHjUUBJ8gDyNk" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>