Ratiya Komsri. 1997. The development of Andrographis paniculata extract gel. Bangkok:Mahidol University;
Ratiya Komsri. (1997) The development of Andrographis paniculata extract gel (รายงานผลงานวิจัย). Mahidol University:Bangkok.
Ratiya Komsri. The development of Andrographis paniculata extract gel. Bangkok:Mahidol University, 1997.
Ratiya Komsri. (1997) The development of Andrographis paniculata extract gel (รายงานผลงานวิจัย). Mahidol University:Bangkok.