パーマネントリンク
https://update.library.uitm.edu.my./Record/Jaffar%20F.H.F.;%20Osman%20K.;%20Ismail%20N.H.;%20Chin%20K.-Y.;%20Ibrahim%20S.F.
https://update.library.uitm.edu.my./Record/Jaffar%20F.H.F.;%20Osman%20K.;%20Ismail%20N.H.;%20Chin%20K.-Y.;%20Ibrahim%20S.F.