Lakhana Chaisri. 2000. Indole alkaloids from the fruits of Alstonia scholaris. Department of Pharmacognosy, Chulalongkorn University;
Lakhana Chaisri. (2000) Indole alkaloids from the fruits of Alstonia scholaris . Chulalongkorn University/Bangkok.
Lakhana Chaisri. Indole alkaloids from the fruits of Alstonia scholaris. . Bangkok:Chulalongkorn University, 2000.
Lakhana Chaisri. (2000) Indole alkaloids from the fruits of Alstonia scholaris . Chulalongkorn University/Bangkok.