1. Department of Chemical Science, Faculty of Science, Universiti Tunku Abdul Rahman (UTAR), Kampar, Malaysia
2. Department of Biological Science, Faculty of Science, Universiti Tunku Abdul Rahman (UTAR), Kampar, Malaysia
3. SL Midori Sdn Bhd, Ipoh, Malaysia
4. Department of Physical and Mathematical Science, Faculty of Science, Universiti Tunku Abdul Rahman (UTAR), Kampar, Malaysia