Proceedings of the Seminar on Medicinal and Aromatic Plants : harnessing the tropical herbal heritage : recent advances in R&D and commercialization: Kepong, Selangor, Malaysia., 3-4 August 2010, p. 60-69
Proceedings of the National Conference on Forest Products 2008 : Towards Competitiveness and Sustainability: Kuala Lumpur (Malaysia), 29-31 Oct 2008, p. 154-163