Janchai Poonlaphdecha. 2005. Chemical constituents of Gardenia campanulata (Rubiaceae). Field of Study Organic Chemistry, Mahidol University;
Janchai Poonlaphdecha. (2005) Chemical constituents of Gardenia campanulata (Rubiaceae) . Mahidol University/Bangkok.
Janchai Poonlaphdecha. Chemical constituents of Gardenia campanulata (Rubiaceae). . Bangkok:Mahidol University, 2005.
Janchai Poonlaphdecha. (2005) Chemical constituents of Gardenia campanulata (Rubiaceae) . Mahidol University/Bangkok.