1. Division of Manufacturing and Industrial Process; Department of Chemical Engineering; University of Nottingham Malaysia Campus; Broga 43500 Semenyih Selangor Malaysia
2. Radiation Processing Technology Division; Malaysia Nuclear Agency (Nuclear Malaysia); Bangi 43000 Kajang Malaysia
3. Faculty of Engineering; Department of Chemical & Environmental Engineering; Universiti Putra Malaysia (UPM); 43400 Serdang Selangor Malaysia
4. Institute of Tropical Forestry and Forest Products (INTROP), Universiti Putra Malaysia; 43400 Serdang Selangor Malaysia