رابط دائم
https://update.library.uitm.edu.my./Record/Ahmad%20T.;%20Ismail%20A.;%20Ahmad%20S.A.;%20Khalil%20K.A.;%20Awad%20E.A.;%20Leo%20T.K.;%20Imlan%20J.C.;%20Sazili%20A.Q.
https://update.library.uitm.edu.my./Record/Ahmad%20T.;%20Ismail%20A.;%20Ahmad%20S.A.;%20Khalil%20K.A.;%20Awad%20E.A.;%20Leo%20T.K.;%20Imlan%20J.C.;%20Sazili%20A.Q.