Zulfaqar Sa’adi, Nor Eliza Alias, Zulkifli Yusop, Lelavathy Samikan Mazilamani, Mohamad Rajab Houmsi, Universiti Teknologi Malaysia, Malaysia; Lama Nasrallah Houmsi, Aleppo University, Syria; Shamsuddin Shahid, Azmi Aris, Universiti Teknologi Malaysia, Malaysia; Muhammad Wafiy Adli Ramli, Universiti Sains Malaysia, Malaysia; Najeebullah Khan, Universiti Teknologi Malaysia, Malaysia; Prabhakar Shukla, Indian Institute of Technology (IIT) Delhi, India