Focus on biochemistry in Malaysia in the 1990's: proceedings of the fifteenth Malaysian Biochemical Society Conference: Kuala Lumpur (Malaysia), 3-4 Sep 1990, p. 90-91
Proceedings of the Seminar on Medicinal and Aromatic Plants: Towards Bridging Science and Herbal Industry: Kuala Lumpur (Malaysia), 12-13 Sep 2000, p. 176-182