RECEE 2000 Regional Conference on Energy and Environment proceedings: the Emerging Energy Technologies: Selangor (Malaysia), 15-16 February 2000, p. KN3-1-KN3-13
Synergistic approach to appropriate forestry technology for sustaining rainforest ecosystems: proceedings International Forestry Seminar: Sarawak (Malaysia), 7-9 Mar 2005, p. 85-94
RECEE 2000 Regional Conference on Energy and Environment proceedings: the Emerging Energy Technologies: Selangor (Malaysia), 15-16 Feb 2000, p. D6-1-D6-4