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https://update.library.uitm.edu.my./Record/Mohd%20Yusof%20I.N.;%20Ahmad%20M.R.;%20Yusof%20N.A.;%20Yahya%20M.F.;%20Hussain%20I.A.;%20Raja%20Azidin%20R.M.F.;%20Che%20Muhamed%20A.M.