Supinya Tewtrakul. 1993. Curcuminoids and volatile oil determination in turmeric from various locations in Thailand. Graduate School, Chulalongkorn University;
Supinya Tewtrakul. (1993) Curcuminoids and volatile oil determination in turmeric from various locations in Thailand . Chulalongkorn University/Bangkok.
Supinya Tewtrakul. Curcuminoids and volatile oil determination in turmeric from various locations in Thailand. . Bangkok:Chulalongkorn University, 1993.
Supinya Tewtrakul. (1993) Curcuminoids and volatile oil determination in turmeric from various locations in Thailand . Chulalongkorn University/Bangkok.