رابط دائم
https://update.library.uitm.edu.my./Record/Othman%20A.M.A.;%20Ahmad%20N.A.;%20Ripin%20N.;%20Saadon%20E.I.S.;%20Ismail%20M.F.;%20Rahman%20N.H.A.;%20Subahir%20S.;%20Ramli%20N.
https://update.library.uitm.edu.my./Record/Othman%20A.M.A.;%20Ahmad%20N.A.;%20Ripin%20N.;%20Saadon%20E.I.S.;%20Ismail%20M.F.;%20Rahman%20N.H.A.;%20Subahir%20S.;%20Ramli%20N.