Proceedings of the National Conference on Forest Products 2008 : Towards Competitiveness and Sustainability: Kuala Lumpur (Malaysia), 29-31 Oct 2008, p. 59-69
Proceedings of the International Conference on Biomass for Biofuels And Value Added Products: Innovative Technologies Towards Commercialization of Biomass Resources for Sustainable Development in Nation Building: Kuala Lumpur (Malaysia), 23-24 Oct, 2012, p. 53-69