Thirawatthana Pharamat และ Prakitsin Sihanonth. (2009) Bioactive compounds-producing endophytic fungi from kra thum na mitragyna javanica koord & val. leaves. Chulalongkorn University:ม.ป.ท.Thirawatthana Pharamat และ Prakitsin Sihanonth. 2009. Bioactive compounds-producing endophytic fungi from kra thum na mitragyna javanica koord & val. leaves. ม.ป.ท.:Chulalongkorn University;Thirawatthana Pharamat และ Prakitsin Sihanonth. Bioactive compounds-producing endophytic fungi from kra thum na mitragyna javanica koord & val. leaves. ม.ป.ท.:Chulalongkorn University, 2009. Print.