Proceedings 4th Malaysian International Cocoa Conference: Sustainable Cocoa Economy Through Increase in Productivity, Efficiency and Quality: Kuala Lumpur (Malaysia), 18-19 Jul 2005, p. 461-467
Proceedings of the 25th Malaysian Society of Animal Production Annual Conference: Natural Products and Nutraceuticals in Animal Production: Melaka (Malaysia), 1-3 August 2003, p. 44-45