REFERENCES
- Dũng , N. X. , Chính , T. D. , Rãng , D. D. and Leclercq , P. A. 1993 . The essential oil composition of Vietamese Alpinia breviligulata Gagnep. flowers . J. Essent. Oil Res. , 5 : 575 – 576 .
- Dũng , N. X. , Chính , T. D. , Rãng , D. D. and Leclercq , P. A. 1994 . Chemical composition of the leaf oil of Alpinia breviligulata Gagnep. from Vietnam . J. Essent. Oil Res. , 6 : 181 – 182 .
- Dũng , N. X. , Chính , T. D. , Rãng , D. D. and Leclercq , P. A. 1994 . Constituents of the seed and fruit peel oils of Alpinia breviligulata Gagnep. from Vietnam . J. Essent. Oil Res. , 6 : 295 – 297 .
- Dũng , N. X. , Tho , P. T.T. , Dan , N. V. and Leclercq , P. A. 1989 . Chemical composition of the oil of Ageratum conyzoides L. from Vietnam . J. Essent. Oil Res. , 1 : 135 – 136 .