رابط دائم
https://update.library.uitm.edu.my/Record/Airij%20A.G.;%20Sudirman%20R.;%20Sheikh%20U.U.;%20Khuan%20L.Y.;%20Zakaria%20N.A.
https://update.library.uitm.edu.my/Record/Airij%20A.G.;%20Sudirman%20R.;%20Sheikh%20U.U.;%20Khuan%20L.Y.;%20Zakaria%20N.A.