New Dimensions and Challenges for Sustainable Livestock Farming : Proceedings of the 11th Animal Science Congress: The Asian-Australasian Association of Animal Production Societies: Kuala Lumpur (Malaysia), 5-9 Sep, 2004, p. 11-18
Proceeding First National Workshop on Environmental Education: Strengthening Development of Environmental Education in Malaysia: Malacca (Malaysia), 7-12 Apr 1997, p. 121-124
Proceeding First National Workshop on Environmental Education: Strengthening Development of Environmental Education in Malaysia: Malacca (Malaysia), 7-12 Apr 1997, p. 112-120