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https://update.library.uitm.edu.my./Record/Arshad%20M.F.;%20Zailani%20W.W.A.;%20Ismail%20N.;%20A%20Zainol%20M.R.R.M.;%20Abdullah%20M.M.A.B.;%20Tahir%20M.F.M.