Surachat Ngorsurachest. 1995. Phytochemical study of Pycnarrhena lucida (Teijsm. & Binn.) Mig. stem. Bangkok:Chulalongkorn University;
Surachat Ngorsurachest. (1995) Phytochemical study of Pycnarrhena lucida (Teijsm. & Binn.) Mig. stem (รายงานผลงานวิจัย). Chulalongkorn University:Bangkok.
Surachat Ngorsurachest. Phytochemical study of Pycnarrhena lucida (Teijsm. & Binn.) Mig. stem. Bangkok:Chulalongkorn University, 1995.
Surachat Ngorsurachest. (1995) Phytochemical study of Pycnarrhena lucida (Teijsm. & Binn.) Mig. stem (รายงานผลงานวิจัย). Chulalongkorn University:Bangkok.