Lordumrongkiat, Nalinthip, Nattida Chotechuang, Natcha Madared, Depicha Jindatip, and Chanchai Boonla. 2020. “Total phenolics, total flavonoid, and total antioxidant capacity of medicinal plant-derived beverage: HydroZitLa”. Chulalongkorn Medical Journal 64 (4). Bangkok, Thailand. https://he05.tci-thaijo.org/index.php/CMJ/article/view/253.