Ritbey Ruga และ Warinthorn Chavasiri. (2017) Antibacterial agents from Dracaena cochinchinensis (Lour.) S.C.Chen and Eleutherine americana (Aubl.) Merr. Ex K. Heyne. Chulalongkorn University:ม.ป.ท.Ritbey Ruga และ Warinthorn Chavasiri. 2017. Antibacterial agents from Dracaena cochinchinensis (Lour.) S.C.Chen and Eleutherine americana (Aubl.) Merr. Ex K. Heyne. ม.ป.ท.:Chulalongkorn University;Ritbey Ruga และ Warinthorn Chavasiri. Antibacterial agents from Dracaena cochinchinensis (Lour.) S.C.Chen and Eleutherine americana (Aubl.) Merr. Ex K. Heyne. ม.ป.ท.:Chulalongkorn University, 2017. Print.