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. 261-266.
Proceedings of the National Conference on Forest Products 2008 : Towards Competitiveness and Sustainability: Kuala Lumpur (Malaysia), 29-31 Oct 2008, p. 211-217