Yahya, Nabil A. A.
Al-Gaashani, R.
Abd-Shukor, R.
Funding for this research was provided by:
Ministry of Higher Education, Malaysia (FRGS/2/2013/SG02/UKM/01/1)
Qatar National Research Fund (QA) (NPRP6-931-2-382)
Universiti Kebangsaan Malaysia (GP-K005338)