1. Department of Physical Science; Faculty of Applied Sciences; Tunku Abdul Rahman University College; Jalan Genting Kelang Setapak, 53300 Kuala Lumpur
2. Department of Chemistry; Faculty of Science; University of Malaya; 50603 Kuala Lumpur
3. Advanced Oleochemical Technology Division (AOTD); Malaysia Palm Oil Board (MPOB); No 6, Persiaran Institusi 43000 Kajang Selangor