Towards modernisation of research and technology in herbal industries: proceedings of the seminar on medicinal and aromatic plants: Kuala Lumpur (Malaysia), 24-25 Jul 2001, p. 165-170
Towards bridging science and herbal industry: proceedings of the seminar on medicinal and aromatic plants: Kuala Lumpur (Malaysia), 12-13 Sep 2000, p. 212-216