Plant protection in the tropics: proceedings of the 4th International Conference on Plant Protection in the Tropics: Kuala Lumpur (Malaysia), 28-31 Mar 1994, p. 278-280
Towards corporatising the animal and feed industries: proceedings of the 17th Malaysian Society of Animal Production (MSAP) Annual Conference. 254-255: Penang (Malaysia), 28-30 May 1995, p. 254-255