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https://update.library.uitm.edu.my/Record/Zubair%20A.F.;%20Nazir%20B.;%20Hemdi%20A.R.;%20Yusoff%20H.;%20Ismail%20H.;%20Othman%20M.;%20Kataraki%20P.S.;%20Panjaitan%20N.;%20Ishak%20A.