Noppamas Soonthronchareonnon. (1982) A study on the chemistry and in-vitro antimalarial activity of Eurycoma longifolia Jack and other Thai medicinal plants. Mahidol University,:ม.ป.ท.Noppamas Soonthronchareonnon. 1982. A study on the chemistry and in-vitro antimalarial activity of Eurycoma longifolia Jack and other Thai medicinal plants. ม.ป.ท.:Mahidol University,;Noppamas Soonthronchareonnon. A study on the chemistry and in-vitro antimalarial activity of Eurycoma longifolia Jack and other Thai medicinal plants. ม.ป.ท.:Mahidol University, 1982. Print.