wongklom, amornrat. “Effect of Different Drying Methods on the Water Soluble Total Phenolics and Flavonoids Contents, and Antioxidant Activities of Sunchoke (Helianthus Tuberosus L.) Powder”. Creative Science, vol. 10, no. 3, Sept. 2018, pp. 170-7, https://ph01.tci-thaijo.org/index.php/snru_journal/article/view/114076.