رابط دائم
https://update.library.uitm.edu.my/Record/Abdul%20Rahman%20R.A.;%20Hanapiah%20F.A.;%20Nikmat%20A.W.;%20Ismail%20N.A.;%20Manaf%20H.
https://update.library.uitm.edu.my/Record/Abdul%20Rahman%20R.A.;%20Hanapiah%20F.A.;%20Nikmat%20A.W.;%20Ismail%20N.A.;%20Manaf%20H.