Interdisciplinary approaches in natural products research : proceedings of the 16th National Seminar on Natural Products: Selangor (Malaysia), 24-25 Oct 2000, p. 48-53
Development of the department of biotechnology project: proceedings of the 2nd UPM-JICA Biotechnology Seminar: Negeri Sembilan (Malaysia), 12-14 Jan 1995, p. 44-49
Malaysian Natural Resources: Sustainability, Development and Strategies: Proceedings of Tropical Natural Resource Symposium: Sarawak (Malaysia), 6-8 Dec 1993, p. 25-30