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https://update.library.uitm.edu.my/Record/Al%20Mamun%20M.;%20Wahab%20Y.A.;%20Hossain%20M.A.M.;%20Nam%20H.Y.;%20Johan%20M.R.;%20Alias%20N.E.;%20Hussin%20H.;%20Muhamad%20M.