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https://update.library.uitm.edu.my/Record/Yusof%20S.M.;%20Surikumaran%20H.;%20Yunus%20F.M.;%20Usman%20U.A.;%20Sambasevam%20K.P.;%20Alahmad%20W.;%20Raoov%20M.
https://update.library.uitm.edu.my/Record/Yusof%20S.M.;%20Surikumaran%20H.;%20Yunus%20F.M.;%20Usman%20U.A.;%20Sambasevam%20K.P.;%20Alahmad%20W.;%20Raoov%20M.