Tripetch Kanchanapoom. 1996. Investigation and structure elucidation of active compounds from Eurycoma longifolia Jack root. Bangkok:Mahidol University;
Tripetch Kanchanapoom. (1996) Investigation and structure elucidation of active compounds from Eurycoma longifolia Jack root (รายงานผลงานวิจัย). Mahidol University:Bangkok.
Tripetch Kanchanapoom. Investigation and structure elucidation of active compounds from Eurycoma longifolia Jack root. Bangkok:Mahidol University, 1996.
Tripetch Kanchanapoom. (1996) Investigation and structure elucidation of active compounds from Eurycoma longifolia Jack root (รายงานผลงานวิจัย). Mahidol University:Bangkok.