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. 106-110
Proceeding of the International Conference on Environmental Research and Technology (ICERT 2010): Parkroyal Hotel, Penang , Malaysia, 2-4 June 2010, p. 442-448