رابط دائم
https://update.library.uitm.edu.my./Record/Zakki%20P.N.S.M.;%20Naim%20N.F.;%20Saad%20H.;%20Muhamad%20W.N.W.;%20Sarnin%20S.S.;%20Ya%E2%80%99acob%20N.;%20Abu%20Bakar%20N.F.
https://update.library.uitm.edu.my./Record/Zakki%20P.N.S.M.;%20Naim%20N.F.;%20Saad%20H.;%20Muhamad%20W.N.W.;%20Sarnin%20S.S.;%20Ya%E2%80%99acob%20N.;%20Abu%20Bakar%20N.F.