New dimensions and challenges for sustainable livestock farming : proceedings of the 11th Animal Science Congress The Asian-Australasian Association of Animal Production Societies, 5-9th September 2004, Kuala Lumpur, Malaysia. Vol 1.: Kuala Lumpur (Malaysia), 5-9 Sept 2004, p. 69-74
Proceedings of the National Oil Palm Planters Conference 2002 : Strategy and Goals Towards Reinforcement for Oil Palm Planters Sector, 31 October-1 November 2002: Putrajaya (Malaysia),p. 119-126