パーマネントリンク
https://update.library.uitm.edu.my./Record/Leng%20S.T.K.;%20Cheah%20W.Y.;%20Pahri%20S.-D.R.;%20Lin%20N.S.;%20Choy%20E.A.
https://update.library.uitm.edu.my./Record/Leng%20S.T.K.;%20Cheah%20W.Y.;%20Pahri%20S.-D.R.;%20Lin%20N.S.;%20Choy%20E.A.