رابط دائم
https://update.library.uitm.edu.my/Record/Zolkapli%20M.;%20Al-Junid%20S.A.M.;%20Othman%20Z.;%20Manut%20A.;%20Mohd%20Zulkifli%20M.A.
https://update.library.uitm.edu.my/Record/Zolkapli%20M.;%20Al-Junid%20S.A.M.;%20Othman%20Z.;%20Manut%20A.;%20Mohd%20Zulkifli%20M.A.