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https://update.library.uitm.edu.my./Record/Ahmad%20N.U.;%20Nordin%20M.F.M.;%20Mokhtar%20N.;%20Wahab%20I.M.A.;%20Yuzir%20M.A.M.;%20Mohamad%20M.;%20Tan%20K.L.
https://update.library.uitm.edu.my./Record/Ahmad%20N.U.;%20Nordin%20M.F.M.;%20Mokhtar%20N.;%20Wahab%20I.M.A.;%20Yuzir%20M.A.M.;%20Mohamad%20M.;%20Tan%20K.L.