Jiraphart Janthangvith. 1995. Comparison of tropane alkaloid production by datura innoxia Miller and datura metal Linn. varietres of white, Black and fastuosa in various cultivation conditions, soil, hydroponics, in vitro plant culture and transformed root cultures. Faculty of Graduate Studies, Mahidol University;

Jiraphart Janthangvith. Comparison of tropane alkaloid production by datura innoxia Miller and datura metal Linn. varietres of white, Black and fastuosa in various cultivation conditions, soil, hydroponics, in vitro plant culture and transformed root cultures. . Bangkok:Mahidol University, 1995.

Jiraphart Janthangvith. (1995) Comparison of tropane alkaloid production by datura innoxia Miller and datura metal Linn. varietres of white, Black and fastuosa in various cultivation conditions, soil, hydroponics, in vitro plant culture and transformed root cultures . Mahidol University/Bangkok.