Natural Products R and D: Transforming Rainforest Industries: Proceedings of the 18th Seminar of the Malaysian Natural Products Society: Sabah (Malaysia), 21-24 Oct 2002, p. 17-38
Proceedings of the Seminar on Medicinal and Aromatic Plants: Towards Bridging Science and Herbal Industry: Kuala Lumpur (Malaysia), 12-13 Sep 2000, p. 221-225
Natural Products R & D: Transforming Rainforest Industries: Proceedings of the 18th Seminar of the Malaysian Natural Products Society: Sabah (Malaysia), 21-24 Oct 2002, p. 91-95
Natural Products R and D: Transforming Rainforest Industries: Proceedings of the 18th Seminar of the Malaysian Natural Products Society: Sabah (Malaysia), 21-24 Okt 2002, p. 65-71