Malaysian Natural Resources: Sustainability, Development and Strategies: Proceedings of Tropical Natural Resource Symposium: Sarawak (Malaysia), 6-8 Dec 1993, p. 31-40
GIS applied to the petroliferous malay basin:The Programme Seminar on the Intergration of Remote Sensing and GIS for Applications in South East Asia: Kuala Lumpur (Malaysia), 27-29 Mar, 1995