Herbal Globalisation: A New Paradigm for Malaysian Herbal Industry : Proceedings of the Seminar on Medicinal and Aromatic Plants (MAPS 2008): Kuala Lumpur (Malaysia), 21-22 Oct, 2008, p. 218-226
Proceedings of the 16th National Seminar on Natural Products: Interdisciplinary Approaches in Natural Products Research: Selangor (Malaysia), p. 201-202
Advances in plant science: Proceedings of the 15th Malaysian Society of Plant Physiology conference: Port Dickson, Negeri Sembilan (Malaysia), 14-16 Sep, 2004, p. 175-180
Proceedings of the Seminar on Medicinal and Aromatic Plants: Towards Bridging Science and Herbal Industry: Kuala Lumpur (Malaysia), 12-13 Sep 2000, p. 194-200
Approaches to Sustainable Plant Productivity and Safety in a Challenging Environment: Proceedings of the 22nd Malaysian Society of Plant Physiology Conference 2011 (MSPPC 2011): Johor Bahru, Johor (Malaysia), 21-23 Nov, 2011, p. 79-85