Supaporn Khuanmon. 1994. Phytochemical studies of Sophora exigua Craib root. Graduate School, Chulalongkorn University;
Supaporn Khuanmon. (1994) Phytochemical studies of Sophora exigua Craib root . Chulalongkorn University/Bangkok.
Supaporn Khuanmon. Phytochemical studies of Sophora exigua Craib root. . Bangkok:Chulalongkorn University, 1994.
Supaporn Khuanmon. (1994) Phytochemical studies of Sophora exigua Craib root . Chulalongkorn University/Bangkok.