[1] Univ Teknol MARA, Fac Appl Sci, Shah Alam, Selangor, Malaysia
[2] Univ Pertahanan Nas Malaysia, Fac Sci & Def Technol, Kuala Lumpur, Malaysia
[3] Univ Teknol MARA, Ctr Fdn Studies, Puncak Alam 42300, Selangor, Malaysia
[4] Univ Teknol MARA, Inst Sci, Shah Alam, Selangor, Malaysia