1. Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and ScienceUniversiti Tunku Abdul Rahman 43000 Kajang, Selangor Malaysia
2. Radiation Processing Technology DivisionMalaysian Nuclear Agency 43000 Kajang, Selangor Malaysia
3. School of Materials and Mineral Resources EngineeringEngineering Campus, Universiti Sains Malaysia Nibong Tebal, 14300 Penang Malaysia
4. Department of Polymer Engineering, Faculty of Chemical EngineeringUniversiti Teknologi Malaysia 81310 Skudai, Johor Malaysia