Proceedings of the 17th Malaysian Forestry Conference: a Century of Forest Management: Lessons Learnt & the Way Forward: Kota Kinabalu (Malaysia), 11-12 Nov 2014, p. 304-320
Proceedings of the 2000 3rd National Seminar on ISO 14000 Series of Environmental Management Standards for Palm Oil and Related Industries: Selangor (Malaysia), 10 Aug 2000, p. 141-169