Proceedings 2007 Conference on Plantation Commodities: Visionary Agriculture: Malaysian Commodity Crops in 100 Years: Kuala Lumpur (Malaysia), 3-4 Jul 2007, p. 170-179
Proceedings 4th Malaysian International Cocoa Conference: Sustainable Cocoa Economy Through Increase in Productivity, Efficiency and Quality: Kuala Lumpur (Malaysia), 18-19 July 2005, p. 203-208
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. 215-222