In vitro Propagation and Determination of Total Phenolic Compounds, Flavonoid Contents and Antioxidative Activity of Globba globulifera Gagnep, Yaowachai, Wipa, Saensouk Surapon, and Saensouk Piyaporn , Pharmacognosy Journal, November 2020, Volume 12, Issue 6s, p.1740-1747, (2020)