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https://update.library.uitm.edu.my./Record/Elsayed%20Y.M.H.;%20Yusoff%20M.Z.M.;%20Kamil%20S.A.;%20Idris%20M.H.M.;%20Mohamad%20S.A.S.;%20Yahya%20M.S.;%20Yap%20M.F.A.A.H.