Settharaksa, S., et al. “TOTAL PHENOLIC AND FLAVONOID CONTENTS AND ANTIOXIDANT PROPERTIES OF THAI TRADITIONAL HERBAL”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 6, no. 9, Sept. 2014, pp. 564-6, https://www.journals.innovareacademics.in/index.php/ijpps/article/view/2380.