رابط دائم
https://update.library.uitm.edu.my./Record/Achukwu%20E.O.;%20Owen%20M.M.;%20Danladi%20A.;%20Dauda%20B.M.;%20Romli%20A.Z.;%20Ishiaku%20U.S.;%20Akil%20H.M.
https://update.library.uitm.edu.my./Record/Achukwu%20E.O.;%20Owen%20M.M.;%20Danladi%20A.;%20Dauda%20B.M.;%20Romli%20A.Z.;%20Ishiaku%20U.S.;%20Akil%20H.M.