Towards sustainable development in agroforestry: new paradigm for plant physiologists: proceedings of the 13th Malaysian Society of Plant Physiology Conference 2002: Malacca (Malaysia), 10-12 Sept 2002, p. 41-44
Synergistic Approach to Appropriate Forestry Technology for Sustaining Rainforest Ecosystems: Proceedings International Forestry Seminar: Sarawak (Malaysia), 7-9 Mar 2005, p. 253-260