Herbal Globalisation : A New Paradigm for Malaysian Herbal Industry : Proceedings of the Seminar on Medicinal and Aromatic Plants (MAPS 2008): Kuala Lumpur (Malaysia), 21-22 Oct 2008, p. 441-446
Conference proceeding national conference on environment & health 2008: sustainable environment: basic for quality lifestyle: Kelantan (Malaysia), 29-30 Oct 2008, p. 237-246
Proceedings of the Malaysian Society of Soil Science Conference 2002 : Applications of Modern Tools in Agriculture: Perlis (Malaysia), 23-24 Apr 2002, p. 101