رابط دائم
https://update.library.uitm.edu.my/Record/Sarnin%20S.S.;%20Yusoff%20M.Y.;%20Mohamad%20M.Y.;%20Naim%20N.F.;%20Yaacob%20N.
https://update.library.uitm.edu.my/Record/Sarnin%20S.S.;%20Yusoff%20M.Y.;%20Mohamad%20M.Y.;%20Naim%20N.F.;%20Yaacob%20N.