1. Sime Darby Research Sdn Bhd; R&D Carey Island-Upstream; Carey Island Selangor Malaysia
2. Inst. of Bioscience; Univ. Putra Malaysia; Serdang Malaysia
3. Dept. of Bioprocess Technology; Faculty of Biotechnology and Biomolecular Sciences; Univ. Putra Malaysia; Serdang Malaysia