Thoobbucha, Naruemon, and Chatchawin Petchler. 2015. “Free radical scavenging capacity and modulative effect on antioxidant enzyme activity of Pluchea indica Less. tea leaf extract”. Health Science, Science and Technology Reviews 8 (2):74-79. https://li01.tci-thaijo.org/index.php/journalup/article/view/42599.