Proceeding of the 5th MPOB - IOPRI International Seminar : Sustainable Management of Pests and Disease in Oil Palm - the Way Forward: Kuala Lumpur (Malaysia), 22-23 Nov 2013, p. 289-295
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. 235-240