رابط دائم
https://update.library.uitm.edu.my/Record/Hazrin%20N.A.;%20Chong%20K.L.;%20Huang%20Y.F.;%20Ahmed%20A.N.;%20Ng%20J.L.;%20Koo%20C.H.;%20Tan%20K.W.;%20Sherif%20M.;%20El-shafie%20A.
https://update.library.uitm.edu.my/Record/Hazrin%20N.A.;%20Chong%20K.L.;%20Huang%20Y.F.;%20Ahmed%20A.N.;%20Ng%20J.L.;%20Koo%20C.H.;%20Tan%20K.W.;%20Sherif%20M.;%20El-shafie%20A.