Affiliation: | 1. Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia;2. Institut Kimia Malaysia, 127B, Jalan Aminuddin Baki, Taman Tun Dr. Ismail 60000 Kuala Lumpur, Malaysia University Tunku Abdul Rahman, 46200 Petaling Jaya, Selangor, Malaysia |