wongklom, amornrat. (2018). Antioxidants activity and exhibit to stimulate immune cell production in in vitro of Hibiscus sabdariffa Linn. and Phyllanthus emblica L. extracts. Creative Science, 11(1), 18–25. Retrieved from https://ph01.tci-thaijo.org/index.php/snru_journal/article/view/136944