Pranee Chavalittumrong. 1991. Phytochemical study of strychnos nux-blanda a.w. hill bark. Graduate School, Chulalongkorn University;
Pranee Chavalittumrong. (1991) Phytochemical study of strychnos nux-blanda a.w. hill bark . Chulalongkorn University/Bangkok.
Pranee Chavalittumrong. Phytochemical study of strychnos nux-blanda a.w. hill bark. . Bangkok:Chulalongkorn University, 1991.
Pranee Chavalittumrong. (1991) Phytochemical study of strychnos nux-blanda a.w. hill bark . Chulalongkorn University/Bangkok.