رابط دائم
https://update.library.uitm.edu.my./Record/Narayanan%20D.N.;%20Awang%20S.;%20Agins%20B.;%20Ujang%20I.R.M.;%20Zulkifli%20N.W.;%20Hamidi%20N.;%20Shukri%20S.S.A.
https://update.library.uitm.edu.my./Record/Narayanan%20D.N.;%20Awang%20S.;%20Agins%20B.;%20Ujang%20I.R.M.;%20Zulkifli%20N.W.;%20Hamidi%20N.;%20Shukri%20S.S.A.