Challenges in plant productivity and food security in changing environment: proceedings of the 14th Malaysian Society of Plant Physiology Conference 2003: Pahang (Malaysia), 23-25 Sept 2003, p. 282-286
Proceedings of the 23rd Malaysian Society of Animal Production Annual Conference: Globalisation and livestock production in developing nations: Langkawi, Kedah (Malaysia), 27-29 May 2001, p. 136-137
Proceedings of the 23rd Malaysian Society of Animal Production Annual Conference: Globalisation and livestock production in developing nations: Langkawi, Kedah (Malaysia), 27-29 May 2001, p. 174-175