1AOS White paper on orchid conservation [M]. 1999.
2Choy Sin Hew. Ancient Chinese orchid cultivation a fresh look at an age old practice[J]. Scientia Horticulturae, 2001 (87) : 1-10.
3Joyce Stewart. Orchid propagation by tissue culture techniques past, present and future [M]. Modern methods in orchid conservation., the role of physiology ecology and management Camridge University press, 1989, 87-100.
4Pisit Voraurai. Paphiopedilum species of Thailand [J]. Proceedings of the 9^th world orchid conferences 1980, 39-41.
5Robert M. Scully. The commercial orchidist: his roles and responsibilities [J]. Proceedings of the 9^th world orchid conferences 1980, 129-133.
6R. Sagarik. Native orchids of Thailand [J]. Proceedings of the 9^th world orchid conference world orchid conferences 1980,21-23.
7R. Sagarik. Concepts and problems of conservation of orchid species found in developing countries [J]. Proceedings of the sixth ASEAN orchid congress seminar, 1986, 85-87.
8Yoneo Sagawa. Orchid propagation-past, present and future[J].Proceedings of the sixth ASEAN Orchid congress seminar, 1986, 9-11.