Proceedings of the Seminar on Medicinal and Aromatic Plants: Towards Bridging Science and Herbal Industry: Kuala Lumpur (Malaysia), 12-13 Sep 2000, p. 231-237
Proceedings of the Seminar on Medicinal and Aromatic Plants: Towards Bridging Science and Herbal Industry: Kuala Lumpur (Malaysia), 12-13 Sep 2000, p. 217-220
Proceeding of the Seminar on Biomass for Biofuels and Value-Added Products 2009 : Towards Efficient Utilization of Biomass. Kuala Lumpur (Malaysia), 27-28 Oct, 2009, p. 292-302.