Proceedings of the Soil Science Conference of Malaysia 2013 : Good Agriculture Practices for Soil Health Sustainability, 16-18 April 2013, Bukit Gambang Resort City, Kuantan, Pahang: Kuantan, Pahang (Malaysia), 16-18 Apr 2013, p. 79-86
Proceedings of the National Conference on Forest Products 2008 : Towards Competitiveness and Sustainability: Kuala Lumpur (Malaysia), 29-31 Oct 2008, p. 105-113